Leeson Daniel N <br/><br/>
Basic programming concepts and the IBM 1620 computer 
Leeson Daniel N; Dimitry Donald L 
 -  1962 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>48540 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>D65,8(B):B2893, K2