000 00242nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aPioneer
245 0 _aMathematics
260 _bDhanpat Rai
_aDelhi
_c1998
300 _a285p p.
942 _cBK
999 _c1678
_d1678