000 00287nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a510 GUP
100 _aGUPTA, B P
245 _aBASIC ENGINEERING MATHEMATICS
260 _bPREMIER PUBLISHING
_c1980
300 _a186
999 _c22819
_d22819