000 00270nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aashok srivastava
245 0 _aScience T.B. for class VII
260 _bNCERT
260 _c2012
365 _b50.00
942 _cBK
999 _c160320
_d160320