000 00326nam a2200133Ia 4500
008 181023s9999 xx 000 0 und d
020 _a9788182832046
082 _a621
_bGUP
100 _aGupta,S.K.
245 0 _aEngineering Physics
250 _a20th
260 _c0
_bKrishna Prakashan Media (P) Ltd.
_aMeerut
942 _cDB
999 _c12127
_d12127