Siskind, Charles S. Direct-current machinery / Charles S Siskind. - London: Mcgraw-hill, 1952. - Viii.319p. : ill. ; 22 cm. Includes index and Bibliography. LCCN: 7413438 Subjects--Topical Terms: Direct-current machinery.Electrical engineering . LC Class. No.: TP579 / .W69 1984 Dewey Class. No.: 621.3132 / SIS