000 00278nam a2200133 4500
020 _a
_c
082 _a
100 _aM R Wehr and others
245 _aPhysics of the Atom
250 _a
260 _bNarosa Publishing House,New Delhi
_c2012
590 _a
_b
_d
942 _cBK
999 _c451629
_d451629