000 00227nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD.P. Jain
245 0 _aVavshayik Sankhiyki
260 _aN.D.
_bR. Chand
_c2006
942 _cBK
999 _c13002
_d13002