000 00267nam a2200109Ia 4500
008 230210s9999 xx 000 0 und d
100 _aMaheshwari, V.K.
_919019
245 0 _aTeaching of Science
260 _bSurya Publication
_c2010
300 _a363
942 _cBK
999 _c118537
_d118537