Cotton, H. Principles of electrical technology / H. Cotton. - London : Pitman, 1967. - x, 658 p. : plate, tables, diagrs. ; 22 cm. Includes index. LCCN: 68070659 Nat. Bib. No.: B67-24695 Subjects--Topical Terms: Electrical engineering. LC Class. No.: TK145 / .C63 Dewey Class. No.: 621.3 / COT