621.313
     Fit
      E
             Fitzgerald , Arthur Eugene , 1909 . Electric machinery , the dynanicc and statics of electromechanical energy conversion [ by ] A . E.  Fitzgerald [and ] Charles Kingsley. 2d. ed.  New York , McGraw-Hill [ c1961 ] 568 p. ilus. 21 cm . "International atudent edition" , publicada en Tokío .