Gothmann, William H. Digital electronics : an introduction to theory and practice / by William H Gothmann. - 2nd ed / . - New Delhi : Prentice Hall of India , 2002. - xiv,383p. : ills.,figs.,tables ; 23cm . Includes index ISBN: RS 150.00 (Pbk) Subjects--Index Terms: DIGITAL ELECTRONICS Dewey Class. No.: 621.381 / GOT/D