000 00285nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a539.7
_bGUP/AT
100 _aGUPTA, S.L.
245 0 _aATOMIC AND MOLECULAR PHYSICS
260 _bPragati Prakashan, Meerut
_aMeerut
_c1996
942 _cBK
999 _c5487
_d5487