LEADER 01015nam--2200361---450- 001 990003305200203316 005 20090901092922.0 010 $a0-19-851952-4 035 $a000330520 035 $aUSA01000330520 035 $a(ALEPH)000330520USA01 035 $a000330520 100 $a20090901d1981----km-y0itay50------ba 101 $aeng 102 $aGB 105 $ay---||||001yy 200 1 $aQuantum gravity 2$ea second symposium$fC.J. Isham, R. Penrose, D.W. Sciama (Eds.) 210 $aOxford$cClarendon press$d1981 215 $aXIV, 669 p.$d24 cm 606 0 $aGravità$xCongressi$z1980 606 0 $aTeoria dei quanti$xCongressi$z1980 676 $a531.5 702 1$aISHAM,$bC.J. 702 1$aPENROSE,$bR. 702 1$aSCIAMA,$bD.W. 801 0$aIT$bsalbc$gISBD 912 $a990003305200203316 951 $a531.5 QUA$b6648/CBS$c531.5$d00326630 959 $aBK 969 $aSCI 979 $aRSIAV7$b90$c20090901$lUSA01$h0929 996 $aQuantum gravity 2$91121766 997 $aUNISA