Tocci, Ronald J. and Widmer, Neal S. <br/><br/>
Digital systems :  principles and applications / 

 - 8th ed. 
 -  Pearson Education,  c2001. 
 - 0  ill. ; 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>LC Class. No.: </label>4327 
<br/><br/><label>Dewey Class. No.: </label>621.3815