Stein, Robert. Electric power system components : transformers and rotating machines / Robert Stein, William T. Hunt, Jr. - New York [etc.] : Van Nostrand Reinhold Company, 1979. - IX, 477 s. : il. ; 24 cm. Indeks. ISBN: 0442176112 Subjects--Topical Terms: Maszyny elektryczne.Transformatory. Universal Decimal Class. No.: 621.313