000 00289nam a2200121Ia 4500
008 211209s1972 xx 000 0 und d
041 _aeng
082 _a621.31213 N72 HAW
100 _aHAWES M A
245 _aELECTRO MAGNETIC MACHINES
260 _aLONDON
_bCOLLINS
_c1972
300 _a192
999 _c18592
_d18592