000 00307nam a2200133Ia 4500
005 20260413100422.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSeivastava ,S.K
245 0 _aEngg. Physics
260 _bN.Delhi ,Age Internaitonal
_c2001
300 _a384
942 _cDB
999 _c691
_d691