000 00333nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a511
082 _b8 KAP
100 _a"Kapur, JN"
245 0 _aMathematical Modelling
260 _aNew Delhi
260 _bNew Age
260 _c1998
300 _a259
999 _c48933
_d48933