000 00260nam a2200121Ia 4500
100 _aWahr/M.R & others
942 _cBK
654 _aPhysics
245 _aPhysics of the atom
260 _bEast West Press
_aDelhi
_c1989
300 _a593
546 _aENGLISH
999 _c31656
_d31656