boylestad. l. robert. electronical devices and circuit theory [Book /] robert l. boylestad , louis nashelsky. - 9th.ed. - new jersey : Pearson Prentice Hall, 2006. - 896p. ; 25cm. includes index. All age. ISBN: 0131974084 Subjects--Topical Terms: electronical devices and circuit theory. Dewey Class. No.: 621.381