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008 970307s1991    us            ||| | eng  
020   $a0817634436
035   $ab10140530-39ule_inst
035   $aLE00638211$9ExL
040   $aDip.to Fisica$bita
084   $a53.1.4
084   $a53.1.5
084   $a53.1.52
084   $a530.1'42
084   $aQC178.C63
100 1 $aAshtekar, Abhay$045589
245 10$aConceptual problems of quantum gravity :$bbased on the Proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts 15-19 May 1988 /$cedited by A. Ashtekar and John Stachel
260   $aBirkhäuser :$bBoston Technical Publ.,$cc1991
300   $axiii, 602 p. :$bill. ;$c25 cm.
490 0 $aEinstein Studies / Don Howard and John Stachel ;$v2
500   $aIncludes index and bibliographical references.
650  4$aAstrophysics$xCongresses
700 1 $aStachel, John J.
907   $a.b10140530$b17-02-17$c27-06-02
912   $a991000865709707536
945   $aLE006 53.1.5 HOW$g1$i2006000072366$lle006$o-$pE0.00$q-$rl$s-  $t0$u1$v0$w1$x0$y.i10166798$z27-06-02
996   $aConceptual problems of quantum gravity$9186638
997   $aUNISALENTO
998   $ale006$b01-01-97$cm$da  $e-$feng$gus $h0$i1