000 00274nam a2200121Ia 4500
008 211209s1999 xx 000 0 und d
041 _aeng
082 _a530 VER
100 _aVERMA H C
245 _aCONCEPTS OF PHYSICS
260 _bBHARATI BHAVAN
_c1999
300 _a462
999 _c100487
_d100487