Walker, Roger S. <br/><br/>
Understanding computer science 
Roger S. Walker 
 - 2nd ed. 
 - Dallas  Texas Instruments  1984 
 - iv, 274p. 
<br/><br/><label>ISBN: </label>0895121611 
<br/><br/><label>Dewey Class. No.: </label>004 W151 U-2