000 00298nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a510 GRE
100 _aGREWAL B S
245 _aHIGHER ENGINEERING MATHEMATICS
260 _aNEW DELHI
_bKHANNA PUBLISHERS
_c1981
300 _a970
999 _c40112
_d40112