000 00264nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, Pavitra Kumar
245 0 _aSaral Ganith Ghyan
260 _aNew Delhi
_bNeelgiri
_c2010
300 _a144p.
942 _cBK
999 _c14808
_d14808