000 00270nam a22001097a 4500
082 _a621.3133 LAW
100 _aLAWRENCE,RALPH.R
_941452
245 _aPRINCIPLES OF ALTERNATING-CURRENT MACHINERY
260 _aNEW YORK
_bMCGRAW HILL
_c1940
300 _a673P
942 _cBK
999 _c579345
_d579345