Johnson, Everett L. Digital design : a pragmatic approach / Everett L. Johnson, Mohammad A. Karim. - Boston : PWS-KENT Pub., c1987. - xiii, 497 p. : ill., figs., tables ; 22 cm. Includes bibliographies and index. ISBN: 053406972X LCCN: 86009396 Subjects--Topical Terms: Digital electronics.Logic design. Dewey Class. No.: 621.3815/ J653d