00623cam 2200229 450 674162http://id.bnportugal.gov.pt/bib/porbase/67416219990106000000.00-691-01146-X(bn)674162PTBN0088596619970419d1996 k y0pory0103 baengUSrGeneral theory of relativityPrincetonUniversity Press1996VIII, 69 p.530.12BNpor294432DiracPaul1902-198433295PTBNRPCBNFGMONS.A. 83726 V.2BNFGMONS.A. 118330 V.2UEBIBUEBIBVERNEY M83/530.12 DIR g