TY - BOOK AU - Weinberg Steven TI - Gravitation and cosmology: principles and applications of their general theory of relativity SN - 9812530738 (pbk) U1 - CN05, L2;9-;13 PY - 1972/// CY - New Jersey PB - John Wiley KW - Astrophysics-relativity KW - Cosmology KW - General relativity KW - Gravitation KW - Physics N1 - Includes bibliographical references.; Appendix 635-639p.; Index 641-657p ER -