Donald P Leach <br/><br/>
Digital Principles and Applications 

 - 4 th 
 - New Delhi  McGraw Hill Education PVT LTD  2007 
 - 671p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Science UNIX,Information Science 
<br/><br/><label>Dewey Class. No.: </label>621.381 LEA