Leeson, Daniel N. <br/><br/>
Basic programming concepts and the IBM 1620 computer 

 - 2 ed. 
 - New York :  Holt, Rinehart and Winston,  1968 
 - 460 p.  : ilus. 
<br/><br/><label>LCCN: </label>28913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IBM 1620 (Computadora)
<br/><br/><label>Dewey Class. No.: </label>001.6424  / L46 1968