Ryan, Ray <br/><br/>Digital electronics Ray Ryan , Lisa A. Doyle with contributions by Abraham I. Pallas  - New York:  Glencoe,  1993  - xi, 276 pages;  24 cm. <br/><br/><label>ISBN: </label>0028013069 <br/><br/><label>LC Class. No.: </label>TK7868  / D5.R89 1993