Draper, A. Electrical machines / A. Draper. - London ; Lonmans green and co ltd, c1967. - xx, 384 p. : ill. ; 25 cm. Includes index. English LCCN: 76020595 Subjects--Topical Terms: Electric machinery. LC Class. No.: TK2182 / .H48 1977 Dewey Class. No.: 621.31042/DRE