000 00223 a2200097 4500
001 30959
100 _aAsimov Isaac
245 _aThe collapsing universe
260 _aNY
_bWalker and Company
_c1977
090 _c20860
_d20860
942 _aNUST-CAE
_cM
_c12070
999 _c266032
_d266032