000 00305nam a2200121Ia 4500
008 211209s1974 xx 000 0 und d
041 _aeng
082 _a511.8 N74 CHA
100 _aCHAWLA P K
245 _aENGINEERING MATHEMATICS
260 _aNEW DELHI
_bMETROPOTIFAN BOOK COMPANY
_c1974
300 _a520
999 _c19277
_d19277