000 00258nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aKailasnath Nagar
245 0 _aSankhyaki ke mool tatva
250 _a4th
260 _c1972
650 _aMath
942 _cBK
999 _c934
_d934