Floyd, Thomas L. Digital Fundamentals - 4th Ed. - 4th ed. - New York : Macmillan, c1990. - xiii, 786 p. : ill. ; 27 cm. ISBN: 9780675212175 0675212170 Subjects--Topical Terms: Digital electronics.Logic circuits. Dewey Class. No.: 621.3815 FLO 1990