Tokheim R. L. <br/><br/>
Digital principles 

 - 3RD . Ed. 
 -  Tata Mcgraw Hill Publishing Company Ltd  2004 
 - 352p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ETC
<br/><br/><label>Dewey Class. No.: </label>621.381958