000 00277nam a2200121Ia 4500
008 211209s1960 xx 000 0 und d
041 _aeng
082 _a621.3 N60 CLE/JOH
100 _aCLEMENTPR
245 _aELECTRICAL ENGINEERING SCIENCE
260 _c1960
300 _a588
999 _c15932
_d15932