000 00256nam a2200121Ia 4500
100 _aAsimov, Isaac
020 _a0-380-41848-7
942 _cBK
245 _aAsimov on physics
260 _aAvon book, New York
_c1976
082 _a530.9 Asi
300 _a254
999 _c18682
_d18682