Horn, Delton T. 49 battery-powered one-IC projects by Delton T. Horn. - 1st ed. - Blue Ridge Summit, PA Tab Books, Inc. c1989. - 162 p. : ill. ; 22 cm. ISBN: 0830631550 (pbk.) Subjects--Topical Terms: Integrated circuits--Amateurs' manuals. Dewey Class. No.: Cir 621.381 H78 1989 c.1