000 00293nam a2200121Ia 4500
008 250523s9999 xx 000 0 und d
100 _aSharma, Y.D.
245 0 _aApplied Physics
260 _bBBP Publications Pvt. Ltd.
_aMeerut
_c2013
300 _a424
650 _aEngineering
942 _cBK
999 _c15423
_d15423