000 00257nam a2200109Ia 4500
008 230512s9999 xx 000 0 und d
100 _aSharma, RD
245 0 _aMathematics Class VII
260 _aNew delhi
_bDhanpat Rai
650 _aMathematics
942 _cBK
999 _c8007
_d8007