00905nam0-22003131i-450 99000082639040332120190226094054.0019-851952-4000082639FED01000082639(Aleph)000082639FED0100008263920020821d1981----km-y0itay50------baengy-------001yyQuantum gravitaty 2.a second Oxford symposIumEdited by C. J. Isham, R. Penrose, D. W. SciamaOxfordClarendon Press1981XIV, 669 p.24 cm531.5Isham,Chris J.Penrose,Roger<1931- >Sciama,Dennis William<1928- >ITUNINARICAUNIMARCBK99000082639040332102 61 A 244386FINBNFINBNQuantum gravitaty 21546024UNINA