000 00333nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aR.K. Gupta
245 0 _aObjective Physics
250 _a1st Ed
260 _aNew Delhi
260 _bCyber Tech Publications
260 _c2002
650 _aObjective Physics
942 _cREF
999 _c21000
_d21000