Floyd, Thomas L. Digital fundamentals / By Thomas L Floyd. - 3rd ed. - New Delhi : Universal Book Stall ; 1987. - xiii,661,A12,B35,C7,D6p. ; 23.5 cm. ISBN: 8185274592 Subjects--Topical Terms: Logic gatesCombinational logicShift registers Dewey Class. No.: 621.395 / FLOT