\typeout{periods in journal abbreviations need backslash to override end of sentence space!!}
\typeout{italic, nonitalic journal abbreviations, book titles, capitalization, etc, need to be uniformized??}
\typeout{citation re-ordering needs to be done}
\typeout{bob has no time to do this}
%
\begin{thebibliography}{00}

\bibitem{einstein1905}
A.\ Einstein,
%Zur Elektrodynamik bewegter K{\"o}rper,
%\textit{Annalen der Physik} {\bf 322} (1905) 891.
\textit{Ann. Physik} {\bf 322} (1905) 891.

\bibitem{einstein1915}
A.\ Einstein,
%\textit{Sitzungsberichte der K{\"o}niglich Preu{\ss}ischen Akademie der Wissenschaften} (Berlin) (1915) 831.
\textit{Sitze Preuss. Akad. Wiss.} (1915) 778, 799, 831. 

\bibitem{minkowski}
H.\ Minkowski, 
\textit{Gottinger Nachr.} (1908) 53;
\textit{Phys. Zeitschr.} {\bf 10} (1909) 104. 

\bibitem{hilbert}
D.\ Hilbert, 
\textit{Math. Phys.} (1915) 395.

\bibitem{bianchi}
L.\ Bianchi,
``Sugli spazi a tre dimensioni che ammettono un gruppo continuo di movimenti'' 
[``On three-dimensional spaces which admit a continuous group of motions'']
\textit{Memorie di Matematica e di Fisica della Societa Italiana delle Scienze}, Serie Terza, vol. 11, p.267-352, 1898. 
reprinted in:
\textit{Opere} [\textit{The Collected Works of Luigi Bianchi}], Rome, Edizione Cremonese, 1952, vol. 9, pp.17-109.
[Princeton Fine Hall Math Phys Library SM 8102 .179] 

\bibitem{bianchi2}
L.\ Bianchi,
``Lezioni sulla teoria dei gruppi continui finite di trasformazioni'' 
[``Lectures on the theory of finite continuous transformation groups'' (1902-1903)], 
Pisa, 1918, pp.550-557

\bibitem{riccicurb}
G.\ Ricci-Curbastro, 
``Sulla derivazione covariante ad una forma quadratica differenziale,'' 
\textit{Rend. Acc. Lincei} {\bf 3} (1887) 15-18.

\bibitem{riccicurb2}
G.\ Ricci-Curbastro and T.\ Levi-Civita, 
``M\'ethodes de calcul diff\'erentiel absolu et leurs applications,'' 
\textit{Mathematische Annalen} {\bf 54} (1900) 125�201.

\bibitem{levicivita}
T.\ Levi-Civita,
\textit{The Absolute Differential Calculus}, translated by M.\ Long (Dover, New York, 1926).

\bibitem{grossmann} 
A.\ Einstein and M.\ Grossmann,
%Entwurf einer verallgemeinerten Relativit\"atstheorie und eine Theorie der Gravitation.\ 
%I.\ Physikalischer Teil von A.\ Einstein 
%II.\ Mathematischer Teil von M.\ Grossmann, 
%\textit{Zeitschrift f\"ur Mathematik und Physik} {\bf 62}, 225--244, 245--261.\ 
\textit{Z.\ Math.\ Phys} {\bf 62} (1913) 225.\ 

\bibitem{schw}
K.\ Schwarzschild,
%``Uber das Gravitationsfeld eines Massenpunktes nach der Einsteinschen Theorie,'' 
\textit{Sitz. Preuss. Akad. Wiss.} 189 (1916).\

\bibitem{lensethirring}
J. Lense and H. Thirring,
%``Uber den Einfluss der Eigenrotation der Zentralkorper auf die Bewegung der Planeten und Monde nach der Einsteinschen Gravitationstheorie,'' 
\textit{Physik. Zs.} {\bf 19} 156 (1918).

\bibitem{desitter}
W. de Sitter, 
%``On Einstein's theory of gravitation and its astronomical consequences,'' 
\textit{Mon. Not. Roy. Astr. Soc.} {\bf 76} 699 (1916); {\bf 77} 155 (1916); {\bf 78} 3 (1917).

\bibitem{paulibook1}
W. Pauli,
``Relativit\"atstheorie,''
\textit{Encykl. d. Math. Wiss. V} {\bf 2} 539 (1921).

\bibitem{paulibook2}
W.\ Pauli,
\textit{Theory of Relativity}, translated by G.\ Field (Pergamon, London, 1958).

\bibitem{weylbook1}
H.\ Weyl,
\textit{Raum-Zeit-Materie}, 5th ed.\ (Springer, Berlin, 1923) [1st ed., 1918].

\bibitem{weylbook2}
H.\ Weyl,
\textit{Space Time Matter}, translated by H.\ L.\ Brose (Methuen, London, 1922).

\bibitem{eddbook}
A.S.\ Eddington,
\textit{Space, time and gravitation.\ An outline of the general relativity theory} (Cambridge University Press, Cambridge, 1921).

\bibitem{laurafermi}
L.\ Fermi, 
\textit{Atoms in the Family: My Life with Enrico Fermi} (University of Chicago Press, Chicago, 1954).

\bibitem{amaldiPR}
E.\ Amaldi, 
``From the discovery of the neutron to the discovery of nuclear fission,"
\textit{Phys.~Rep.} {\bf 111} 1.

\bibitem{segre}
E. Segr\`e,
\textit{Enrico Fermi, Physicist} (University of Chicago Press, Chicago, 1972).

\bibitem{amaldi}
E. Amaldi, 
\textit{Physis} {\bf 1} (1959) 69.

\typeout{biblio citation order?? bob insert}
\bibitem{segrebook}
E. Segr\`e,
\textit{Nuclei and Particles: an Introduction to Nuclear and Subnuclear Physics} (W.A. Benjamin, 1964).

\bibitem{leone}
M. Leone, N. Robotti and C.A. Seguini: ``Fermi Archives at the Domus Galileiana in Pisa,'' 
\textit{Physis} {\bf 37} (2000) 501. 

\bibitem{alpher}
R.A.\ Alpher, J.W.\ Follin and R.C.\ Herman,
%Physical Conditions in the Initial Stages of the Expanding Universe.
{\it Phys.\ Rev.} {\bf 92} (1953) 1347.\ 

\bibitem{fermicollpap} 
E.\ Fermi, 
\textit{Note e Memorie (Collected Papers)}, 
Accademia Nazionale dei Lincei and The University of Chicago Press, Vol.~1, 1961 and Vol.~2, 1965;
Volume 1 is available on-line at:\\
http://www.archive.org/details/collectedpapersn007155mbp.

\bibitem{cronin}
J.W.\ Cronin (ed.), 
\textit{Fermi Remembered} (The University of Chicago Press, Chicago, 2004).

\bibitem{peebles}
P.J.E.\ Peebles, 
\textit{Principles of Physical Cosmology} (Princeton University Press, Princeton, 1993).

\bibitem{peebles2}
P.J.E.\ Peebles, 
{\it Astrophys.\ J.} {\bf 146} (1966) 542.

\bibitem{diracfoot1}
P.A.M.\ Dirac, 
\textit{Proc.\ Roy.\ Soc.\ A} {\bf 112} (1926) 661.

\bibitem{fermiatomi}
E.\ Fermi, 
\textit{Atti Soc.\ It.\ Progr.\ Sci.}, Vol.~I (1930) 228.\ 

\bibitem{fowler} 
R.H.\ Fowler, 
\textit{Mon.\ Not.\ R.\ Astron.\ Soc.} {\bf 87} (1926) 114.

\bibitem{stoner}
E.C.\ Stoner,
\textit{Philos.\ Mag.} {\bf 9} (1930) 944.

\bibitem{andersonfoot1}
W.\ Anderson,
\textit{Z.\ Phys.} {\bf 56} (1929) 851.

\bibitem{nauenbergfoot1}
M.\ Nauenberg,
\textit{Journal for the History of Astronomy} {\bf 39} (2008) 297.\ 

\bibitem{emden}
R.\ Emden,
\textit{Gaskugeln Anwendungen der Mechanischen W\"armetheorie auf Kosmologische und Meteorologische Probleme} 
(Leipzig, Teubner, Berlin, 1907).\ 

\bibitem{hoyle}
F.\ Hoyle and W.\ Fowler,
\textit{Astrophys.\ J.} {\bf 132} (1960) 565.

\bibitem{chandrafoot1}
S.\ Chandrasekhar,
\textit{Mon.\ Not.\ R.\ Astron.\ Soc.} {\bf 95} (1935) 207.

\bibitem{eddingtonfoot1}
A.S. Eddington, 
\textit{Mon.\ Not.\ R.\ Astron.\ Soc.} {\bf 95} (1935) 194.

\bibitem{rotondo1} 
M.\ Rotondo, Jorge A.\ Rueda, R.\ Ruffini and S.-S.\ Xue,
\textit{Phys.\ Rev.\ D}  {\bf 84} (2011) 084007.

\bibitem{rotondo2} 
M. Rotondo, J.A. Rueda, R. Ruffini and S.-S. Xue,
\textit{Phys.\ Rev.\ C}  {\bf 83} (2011) 045805.

\bibitem{seitz}
E.P.\ Wigner and F.\ Seitz,
\textit{Phys.\ Rev.} {\bf 43} (1933) 804;  
{\bf 46} (1934) 509.

\bibitem{frenkel}
Y.I.\ Frenkel,
\textit{Zeit.\ fur Phys.} {\bf 50} (1928) 234.

\bibitem{rrstella1} 
J.\ Ferreirinho, R.\ Ruffini and L.\ Stella,
\textit{Phys.\ Lett.\ B} {\bf 91} (1980) 314.

\bibitem{rrstella2} 
R.\ Ruffini and L.\ Stella,
\textit{Phys.\ Lett.\ B} {\bf 102} (1981) 442.

\bibitem{fmt} 
R.P.\ Feynman, N.\ Metropolis and E.\ Teller,
\textit{Phys.\ Rev.} {\bf 75} (1949) 61.

\bibitem{rotondo2} 
M.\ Rotondo, J.A.\ Rueda, R.\ Ruffini and S.-S.\ Xue,
\textit{Phys.\ Rev.\ C} {\bf 83} (2011) 045805.

\bibitem{gursky} 
H.\ Gursky and R.\ Ruffini (eds.),
\textit{Neutron Stars, Black Holes and Binary X-Ray Sources} (Reidel, Dordrecht, Holland, 1978); Second Edition (Cambridge Scientific Publishers, 2009).

\bibitem{baade}
W.\ Baade and F.\ Zwicky, 
\textit{Phys.\ Rev.} {\bf 45} (1934) 138.

\bibitem{landau1}
L.\ Landau, 
\textit{C.\ R.\ Acad.\ Sci.\ URSS} {\bf 17} (1937) 305.

\bibitem{landau2}
L.\ Landau, 
\textit{Dokl.\ Akad.\ Nauk.\ SSSR} {\bf 17} (1937) 301.

\bibitem{landau3}
L.\ Landau, 
\textit{Nature} {\bf 141} (1938) 333.

\bibitem{chandrabook1}
S.\ Chandrasekhar,
\textit{An Introduction to the Study of Stellar Structure} (The University of Chicago Press, Chicago, 1938).

\bibitem{oppserber}
J.R.\ Oppenheimer and R.\ Serber,
\textit{Phys.\ Rev.} {\bf 54} (1938) 540.

\bibitem{oppvolkoff}
J.R.\ Oppenheimer and G.\ Volkoff,
\textit{Phys.\ Rev.} {\bf 55} (1939) 374.

\bibitem{oppsnyder}
J.R.\ Oppenheimer and H.\ Snyder,
\textit{Phys.\ Rev.} {\bf 56} (1939) 455374.

\bibitem{gamowfoot1}
G.\ Gamow,
\textit{Structure of Atomic Nucleus and Nuclear Transformations} (Clarendon Press, Oxford, 1937).

\bibitem{gamowfoot2}
G.\ Gamow,
\textit{Phys.\ Rev.} {\bf 53} (1938) 929.

\bibitem{einstein1}
A.\ Einstein,
%{\"U}ber den Einflu{\ss} der Schwerkraft auf die Ausbreitung des Lichtes, 
\textit{Annalen der Physik} {\bf 340} (1911) 898.

\bibitem{einstein2}
A.\ Einstein,
%Erkl{\"a}rung der Perihelbewegung des Merkur aus der allgemeinen Relativit{\"a}tstheorie, 
\textit{Sitzungsberichte der K{\"o}niglich Preu{\ss}ischen Akademie der Wissenschaften} (Berlin) (1915) 831.

\bibitem{einstein3}
A.\ Einstein, 
%Die Grundlage der allgemeinen Relativit{\"a}tstheorie, 
\textit{Annalen der Physik} {\bf 354} (1916) 769.

\bibitem{darmoisbook}
G.\ Darmois, 
\textit{La Th\'eorie Einsteinienne de la Gravitation, Les V\'erifications exp\'erimentales} (Hermann, 1932).

\bibitem{eddington2}
A.S.\ Eddington,
\textit{Space, time and gravitation.\ An outline of the general relativity theory} (Cambridge University Press, Cambridge, 1921).

\bibitem{chandraedd}
S.\ Chandrasekhar, 
\textit{Eddington, The Most Distinguished Astrophysicist of His Time} (Cambridge University Press, Cambridge, 1983).

\bibitem{sobralproc}
S.E.\ Perez-Bergliaffa and R.\ Ruffini (Eds.),
\textit{Proceedings of Sobral 2009: The Sun, the Stars, the Universe and General Relativity} (Cambridge Scientific Publishers, 2001).

\bibitem{amaldi2}
E.\ Amaldi,
\textit{Da Via Panisperna all'America} (Editori Riuniti, 1997).

\bibitem{dicke1}
R.H.\ Dicke and H.M.\ Goldenberg, 
%``Solar Oblateness and General Relativity," 
{\it Phys.\ Rev.\ Lett.} {\bf 18} (1967) 313.

\bibitem{dicke2}
R.H.\ Dicke, 
\textit{Gravitation and the Universe} (American Philosophical Society, 1970).

\bibitem{eisenhart}
L.P.\ Eisenhart,
\textit{Riemannian Geometry} (Princeton University Press, Princeton, 1926).

\bibitem{godel}
K.\ G\"odel,
% An example of a new type of cosmological solutions of Einstein's field equations of gravitation, 
\textit{Rev.\ Mod.\ Phys.} {\bf 21} (1949) 447.\ 
 
\bibitem{robertson}
H.P.\ Robertson,
%Relativistic cosmology, 
\textit{Rev.\ Mod.\ Phys.} {\bf 5} (1933) 62.\ 

\bibitem{veblen}
O.\ Veblen,
\textit{Invariants of quadratic differential forms} (Cambridge Univ.\ Press, 1927).\ 

\bibitem{weyl1}
H.\ Weyl,
%\textit{Gravitation und Elektrizitat}, 
{\it Sitz.\ Preuss.\ Akad.\ Wiss.} (1918) 465.

\bibitem{weyl2}
H.\ Weyl,
\textit{Raum-Zeit-Materie}, 5th ed.\ (Springer, Berlin, 1923) [1st ed., 1918].

\bibitem{weyl3}
H.\ Weyl,
\textit{Space Time Matter}, translated by H.\ L.\ Brose (Methuen, London, 1922).

\bibitem{bargmann}
V.\ Bargmann,
%Relativity, 
\textit{Rev.\ Mod.\ Phys.} {\bf 29} (1957) 161.\ 

\bibitem{bergmann}
P.G.\ Bergmann, 
\textit{Introduction to the theory of relativity} (Prentice-Hall, New York, 1942).

%\bibitem{hoffmann1}
%B.\ Hoffmann, 
%\textit{Relativity and Its Roots} (Scientific American Books, New York, 1983).

\bibitem{hoffmann2}
B.\ Hoffmann,
%On General Relativity, 
\textit{Rev.\ Mod.\ Phys.} {\bf 4} (1932) 173.\ 

\bibitem{infeld}
A.\ Einstein and L.\ Infeld, 
\textit{The evolution of physics} (Simon \& Schuster, 1938).

\bibitem{goldberg}
J.\ Goldberg, 
%Conservation laws in general relativity, 
\textit{Phys.\ Rev.} {\bf 111} (1958) 315.\ 

\bibitem{komar}
A.\ Komar,
%Covariant conservation laws in general relativity, 
\textit{Phys.\ Rev.} {\bf 113} (1959) 934.\ 

\bibitem{taub}
A.H.\ Taub,
%General relativistic variational principle for perfect fluids, 
\textit{Phys.\ Rev.} {\bf 94} (1954) 1468.\ 

\bibitem{robinson}
I.\ Robinson and A.\ Trautman,
%Spherical gravitational waves, 
\textit{Phys.\ Rev.\ Lett.} {\bf 4} (1960) 431.

\bibitem{schild1}
A.\ Schild,
\textit{Lectures on General Relativity Theory} (American Mathematical Society, 1967).

\bibitem{schild2}
A.\ Schild,
\textit{Relativity Theory and Astrophysics}, Vol 1 Relativity and Cosmology, 
ed.\ J.\ Ehlers (American Mathematical Society, Providence, RI, 1967), pp.\ 1--116.

\bibitem{kerr}
R.P.\ Kerr,
%Gravitational Field of a Spinning Mass as an Example of Algebraically Special Metrics, 
\textit{Phys.\ Rev.\ Lett.} {\bf 11} (1963) 237.\ 

\bibitem{rainich}
G.Y.\ Rainich,
\textit{Mathematics of Relativity} (Wiley, New York, 1950).

\bibitem{mcvittie}
G.C.\ McVittie,
\textit{General relativity and cosmology} (Wiley, New York, 1956).\ 

\bibitem{walker}
A.G.\ Walker,
%Foundations of relativity.\ I, II, 
\textit{Proc.\ Roy.\ Soc.\ Edinburgh\ A} {\bf 62} (1948) 319.\ 

\bibitem{tolman}
R.C.\ Tolman,
\textit{Relativity, Thermodynamics and Cosmology} (Dover, New York, 1934).

\bibitem{eddington1}
A.S.\ Eddington,
\textit{The Mathematical Theory of Relativity},  2nd edn (Cambridge University Press, Cambridge, 1952).

\bibitem{eddington3}
A.S.\ Eddington,
\textit{The expanding universe} (Cambridge University Press, Cambridge, 1933).

\bibitem{eddington4}
A.S.\ Eddington,
\textit{The relativity theory of protons and electrons} (Cambridge University Press, Cambridge, 1936).

\bibitem{eddington5}
A.S.\ Eddington,
\textit{The Internal Constitution of the Stars} (Cambridge University Press, Cambridge, 1988, reprinted).

\bibitem{bonnor}
W.B.\ Bonnor, 
%\textit{Certain exact solutions of the equations of general relativity with an electrostatic field}, 
{\it Proc.\ Phys.\ Soc.\ A} {\bf 66} (1953) 145.\ 

\bibitem{mccrea}
W.H.\ McCrea,
\textit{Relativity Physics} (Methuen, London, 1955).\ 

\bibitem{milne1}
E.A.\ Milne,
\textit{Relativity, Gravitation and World Structure} (Clarendon Press, Oxford, 1935).\ 

\bibitem{milne2}
E.A.\ Milne,
\textit{Kinematic relativity.\ A sequel to Relativity, gravitation and world structure} (Clarendon Press, Oxford, 1948).

\bibitem{bondi1}
H.\ Bondi,
%Relativity, 
\textit{Rep.\ Prog.\ Phys.} {\bf 22} (1959) 97.

\bibitem{bondi2}
H.\ Bondi,
\textit{Cosmology} (Cambridge University Press, Cambridge, 1952).

\bibitem{pirani1}
F.A.E.\ Pirani,
%\textit{Invariant Formulation of Gravitational Radiation Theory}, 
{\it Phys.\ Rev.} {\bf 105} (1957) 1089.

\bibitem{pirani2}
F.A.E.\ Pirani,
%\textit{On the energy-momentum tensor and the creation of matter in relativistic cosmology}, 
{\it Proc.\ Roy.\ Soc.\ London A} {\bf 228} (1955) 455.\ 

\bibitem{pauli}
W.\ Pauli,
\textit{Theory of Relativity}, translated by G.\ Field (Pergamon, London, 1958).

\bibitem{becquerel}
J.\ Becquerel,
\textit{La Principe de la Relativit\'e et la Th\'eorie de la Gravitation} (Gauthier-Villars, Paris, 1922).

\bibitem{born}
M.\ Born,
\textit{Einstein's Theory of Relativity}, revised edn 1962, ed G.\ Leibfried and W.\ Biem (Dover, New York, 1924).

\bibitem{dedonder1}
T.\ de Donder,
\textit{La Gravifique Einsteinienne} (Gauthier-Villars, Paris, 1921).

\bibitem{dedonder2}
T.\ de Donder,
\textit{Introduction \`a la Gravifique Einsteinienne} (Gauthier-Villars, Paris, 1925).

\bibitem{dirac}
P.A.M.\ Dirac,
\textit{General Theory of Relativity} (Wiley, New York, 1975).

\bibitem{jordan1}
P.\ Jordan,
\textit{Projektive Relativit\"atstheorie und Kosmologie} (Dietrichsche Verlagsbuchhandlung, Wiesbaden, 1948).

\bibitem{jordan2}
P.\ Jordan,
\textit{Schwerkraft und Weltall}, 2nd edn (Vieweg, Braunschweig, 1955).\ 

\bibitem{klein}
O.\ Klein,
%\textit{On the thermodynamical equilibrium of fluids in gravitational fields}, 
{\it Rev.\ Mod.\ Phys.} {\bf 21} (1949) 531.\ 

\bibitem{vonlaue1}
M.\ von Laue,
\textit{Das Relativit\"atsprinzip} (Vieweg, Braunschweig, 1911).

\bibitem{vonlaue2}
M.\ von Laue,
\textit{Die Relativit\"atstheorie} Vol 2: Die allgemeine Relativit\"atstheorie und Einsteins Lehre von der Schwerkraft (Vieweg, Braunschweig, 1921).

\bibitem{levicivita1}
T.\ Levi-Civita,
\textit{The Absolute Differential Calculus}, translated by M.\ Long (Dover, New York, 1926).

\bibitem{levicivita2}
T.\ Levi-Civita,
\textit{The absolute differential calculus} (Blackie, London, 1927)  
[translation of {\it Lezioni di calcolo differenziale assoluto} (Stock, Roma, 1925)].\ 

\bibitem{levicivita3}
T.\ Levi-Civita,
\textit{Fondamenti di meccanica relativistica} (Zanichelli, Bologna, 1928).\ 

\bibitem{moller}
C.\ Moller,
\textit{The Theory of Relativity} (Clarendon Press, Oxford, 1952).

\bibitem{schouten1}
J.A.\ Schouten,
\textit{Tensor analysis for physicists} (Clarendon Press, Oxford, 1951).

\bibitem{schouten2}
J.A.\ Schouten, 
\textit{Ricci-Calculus.\ An introduction to tensor analysis and its geometrical applications}, 2nd edn (Springer-Verlag, Berlin-Gottingen-Heidelberg, 1954).\ 

\bibitem{schouten3}
J.A.\ Schouten and W.\ de Sitter,
%\textit{On the expanding universe}, 
{\it Proc.\ K.\ Akad.\ Wet.\ Amsterdam} {\bf 35} (1932) 596.\ 

\bibitem{schroedinger1}
E.\ Schroedinger, 
\textit{Space-Time Structure} (Cambridge University Press, Cambridge, 1950).\ 

\bibitem{schroedinger2}
E.\ Schroedinger,
\textit{Expanding universes} (Cambridge University Press, Cambridge, 1956).

\bibitem{stueckelberg}
E.C.G.\ Stueckelberg,
%\textit{La mecanique du point materiel en theorie de relativite et en theorie des quanta} 
{\it Helvetica Phys.\ Acta} {\bf 15} (1942) 23.\ 

\bibitem{synge1}
J.L.\ Synge,
\textit{Relativity: The General Theory} (North-Holland, Amsterdam, 1960).

\bibitem{synge2}
J.L.\ Synge and A.\ Schild,
\textit{Tensor calculus} (University of Toronto Press, Toronto, 1956).

\bibitem{thirring1}
W.\ Thirring,
\textit{Die Idee der Relativit\"atstheorie} (Springer, Berlin, 1922).

\bibitem{thirring2}
W.\ Thirring,
%\textit{Lorentz-invariante Gravitationstheorien}, 
{\it Fortschritte der Physik} {\bf 7} (1959) 79.

\bibitem{trautman}
A.\ Trautman,
\textit{Lectures on General Relativity}, Brandeis Summer Institute in Theoretical Physics Vol 1 1964 (Prentice Hall, Englewood Cliffs, NJ, 1965), pp.\ 1-248.

\bibitem{bauer}
H.\ Bauer,
\textit{Mathematische Einf\"uhrung in die Gravitationstheorie Einsteins} (Franz Deuticke, Leipzig, 1922).

\bibitem{borel}
E.\ Borel,
\textit{Space and Time}, translated by A.\ S.\ Rappaport and J.\ Dougall (Dover, New York, 1926).

\bibitem{cartan1}
E.\ Cartan,
\textit{Lec\c{o}ns sur la geom\'etrie des espaces de Riemann} (Gauthier-Villars, Paris, 1928) [second edn 1951].

\bibitem{cartan2}
E.\ Cartan,
\textit{La g\'eom\'etrie des espaces de Riemann} (Gauthier-Villars, Paris, 1925).\ 

\bibitem{cartan3}
E.\ Cartan,
\textit{Oeuvres compl\`etes} (Gauthier-Villars, Paris, 1952-1955).\ 

\bibitem{choquet}
Y.\ Choquet-Bruhat,
The Cauchy Problem, Chapter IV of \textit{Gravitation, An Introduction to Current Research}, ed.\ L.\ Witten (Wiley, New York, 1962).\ 

\bibitem{darmois}
G.\ Darmois,
\textit{Les \'equations de la gravitation einsteinienne} (Gauthier-Villars, Paris, 1927).

\bibitem{lichnerowicz}
A.\ Lichnerowicz,
\textit{Th\'eories relativistes de la gravitation et de l'\'electromagn\'etisme}  (Masson, Paris, 1955).\ 

\bibitem{tonnelat}
M.A.\ Tonnelat,
\textit{La th\'eorie du champ unifi\'e d'Einstein et quelques-uns de ses d\'eveloppements} (Gauthier-Villars, Paris, 1955).\ 

\bibitem{fock}
V.\ Fock,
\textit{The theory of space, time and gravitation}, translated from Russian by N.\ Kemmer (Pergamon Press, London, 1959).\ 

\bibitem{tamm}
I.\ Tamm, 
{\it Relativistic Interaction of Elementary Particles} (1935).

\bibitem{ginzburg}
V.L.\ Ginzburg,
\textit{Theoretical Physics and Astrophysics} (Pergamon Press, London, 1979).

\bibitem{LL}
L.\ Landau and E.\ Lifshitz,
\textit{The Classical Theory of Fields} (Addison-Wesley, Cambridge, Mass., 1951).\ 

\bibitem{lifshitz}
E.M.\ Lifshitz,
%On the Gravitational Stability of the Expanding Universe, 
\textit{J.\ Phys.\ USSR} {\bf 10} (1946) 116.

\bibitem{khalatnikov}
E.M.\ Lifshitz and I.M.\ Khalatnikov,
%Investigations in Relativistic Cosmology, 
\textit{Adv.\ Phys.} {\bf 12} (1963) 185.

\bibitem{peiyuan}
Zhou Peiyuan,
%\textit{On the foundations of Friedmann universe}, 
{\it Chin.\ J.\ Phys.} {\bf 3} (1939) 76.\ 

\bibitem{takeno}
H.\ Takeno,
%\textit{A generalization of special Lorentz transformation in de Sitter space-time}, 
{\it Progr.\ Theor.\ Phys.} {\bf 10} (1953) 431.\ 

\bibitem{narlikar}
V.V.\ Narlikar,
%\textit{The gravitational equations of motion in relativity}, 
{\it Proc.\ Indian Acad.\ Sci.\ A} {\bf 14} (1941) 187.\ 

\bibitem{raychaudhuri} 
A.\ Raychaudhuri,
%\textit{Relativistic cosmology I}, 
{\it Phys.\ Rev.} {\bf 98} (1955) 1123.\ 

\bibitem{vaidya}
P.C.\ Vaidya,
%\textit{The gravitational field of a radiating star}, 
{\it Proc.\ Indian Acad.\ Sci.\ A} {\bf 33} (1951) 264.\ 

\bibitem{eingross} 
A.\ Einstein and M.\ Grossmann,
%Entwurf einer verallgemeinerten Relativit\"atstheorie und eine Theorie der Gravitation.\ 
%I.\ Physikalischer Teil von A.\ Einstein 
%II.\ Mathematischer Teil von M.\ Grossmann, 
%\textit{Zeitschrift f\"ur Mathematik und Physik} {\bf 62}, 225--244, 245--261.\ 
\textit{Z.\ Math.\ Phys} {\bf 62} (1913) 225.\ 

\bibitem{segre}
E.\ Segr\'e,
\textit{Enrico Fermi, Physicist} (University of Chicago Press, Chicago, 1972).

\bibitem{lauraf}
L.\ Fermi,
\textit{Atoms in the Family: My Life with Enrico Fermi} (University of Chicago Press, Chicago, 1961).\  

\bibitem{heilbron}
J.L.\ Heilbron, R.W.\ Seidel and B.R.\ Wheaton,
\textit{Lawrence and His Laboratory}  (University of California Press, 1989).

\bibitem{amaldi}
E.\ Amaldi,
%Gli anni della ricostruzione, 
\textit{Giornale di Fisica} {\bf 20} (1979) 186 (in Italian).

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\typeout{Put these last references in the correct order above!!??}

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\bibitem{ruffinizeldovich2009} 
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\typeout{add to appendix A!! final reprint}


\bibitem{leshouches}
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FIX THE REST OF THESE CITATIONS AND REORDER AMONG THE ABOVE!!!!

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{\it Zeit. fur Phys.} {\bf 98} (1936) 714. 

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arXiv:arXiv:nucl-ex/9610001.
 
\bibitem{HEiv} S. Heinz et al, 
Weak e+e- lines
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European Physical Journal A 1 (1998) 27�-37. arXiv:arXiv:nucl-ex/9706009.
 
%(the references for negative results)
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\typeout{English translation already available so perhaps unnecessary to reproduce our translation in Appendix A??}

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\bibitem{tamm}
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??

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\bibitem{bk-rr}
 G.S. Bisnovatyi-Kogan and R. Ruffini,
??

\end{thebibliography}

\endinput
