Annett, Fred Anzley. Connecting and testing direct-current machines, by F. A. Annett and A. C. Roe. - 3d ed. - New York, McGraw-Hill, 1955. - 313 p. 24 cm. LCCN: 54012245 Nat. Bib. No.: GB55-11383 Subjects--Topical Terms: Electric machinery--Direct current. LC Class. No.: TK2611 / .A5 1955 Dewey Class. No.: 621.3132