000 00258nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMangal, S.K.
245 0 _aTeaching Of Physical Sciences
260 _aMeerut
_bIPH
_c2010
300 _a261p.
942 _cBK
999 _c11969
_d11969