Johnson, Everett L. Digital design : a pragmatic approach / Everett L. Johnson, Mohammad A. Karim. - Boston : PWS Engineering, C1987. - xiii, 497 p. : ill. ; 24 cm. ISBN: 053406972X Subjects--Topical Terms: Signals generators-design and construction-amateurs' manuals Dewey Class. No.: 658.3815 JOH