000 00298nam a2200121Ia 4500
008 191004s9999 xx 000 0 und d
082 _a530.12
_bGUP/Q
100 _aGUPTA,SL...[et al]
245 0 _aQuqntum Mechanics
260 _bJai Prakash Nath & Co. Mearut,
_c1992
300 _a738p
942 _cBK
999 _c4643
_d4643