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%E Kochanek, C.S. and Hewitt, J.N.
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%A Wolf, E.
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%S Proceedings of the Regional Conference on Relativity held at the University of Pittsburgh, Pittsburgh, Pennsylvania, July 13?17, 1970
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%B Methods of local and global differential geometry in general relativity
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%A Clément, G.
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%A Ellis, G.F.R.
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%A Virbhadra, K.S.
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%A Lifshitz, E.M.
%I Pergamon Press; Addison-Wesley
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%I University of California Press
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%S Proceedings of the Summer Research Institute on Differential Geometry, held at the University of California, Los Angeles, July 8?28, 1990
%I American Mathematical Society
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%B Differential Geometry, Pt. 3: Riemannian Geometry
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%A Masiello, A.
%I Longman; Wiley
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%K Newtonian stars
%K Stability theory

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%A Mollerach, S.
%A Roulet, E.
%I World Scientific
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%V 18
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%T The Calculus of Variations in the Large
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%C Providence, U.S.A.

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%A Bassett, B.A.C.C.
%A Hellaby, C.
%A Ellis, G.F.R.
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%T The distortion of the area distance-redshift relation in inhomogeneous isotropic universes
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%J Class. Quantum Grav.

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%A Nandi, K.K.
%A Islam, A.
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%A Apparao, K.M.V.
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%A Ftaclas, C.
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%A Meinel, R.
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%I SIAM

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%T Ray Optics, Fermat?s Principle, and Applications to General Relativity
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%I Birkhäuser
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%A Ehlers, J.
%A Falco, E.E.
%I Springer
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%A Schneider, P.
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%A Kramer, D.
%A MacCallum, M.A.H.
%A Hoenselaers, C.
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%I Cambridge University Press
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%A Straumann, N.
%I Springer
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%C Berlin; New York
%T General Relativity and Relativistic Astrophysics
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