Lenk, John D. Simplified design of micropower and battery circuits [Book] / John D. Lenk. - Boston : Butterworth-Heinemann, c1996. - xiv, 255 p. : ill. ; 24 cm. - The EDN series for design engineers . All. ISBN: 0750695102 Subjects--Topical Terms: Electric batteries.Microcomputers--Power supply. Dewey Class. No.: 621.317