000 00273nam a2200121Ia 4500
008 211209s1975 xx 000 0 und d
041 _aeng
082 _a510 N75 RAY/WYL
100 _aRAY C
245 _aADVANCED ENGINEERING MATHEMATICS
260 _c1975
300 _a937
999 _c13919
_d13919