000 00289nam a2200121Ia 4500
008 211209s1990 xx 000 0 und d
041 _aeng
082 _a516.24BAL
100 _aBALI, N P
245 _aCO-ORDINATE GEOMETRY
260 _aNEW DELHI
_bLAXMI PUBLICATION
_c1990
300 _a384
999 _c24780
_d24780