Whitfield, John Frederic. Electrical craft principles / J. F. Whitfield. - Stevenage, Eng. :The Institution of Engineering and Technology, c2008. - 2 v. : ill. ; 30 cm. ISBN: 9780863419324 (v. 1) Subjects--Topical Terms: Electrical engineering. Dewey Class. No.: 621.3 WHI