000 00248nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aSingh, Manjeet
245 0 _aMathematics
260 _bDhanpat Rai
_aDelhi
_c1997
300 _a50p p.
942 _cBK
999 _c1528
_d1528