Claffey, William J Tonge, Fred M, ed <br/><br/>
Principles of programming the IBM 1620 computer 

 - Belmont  Dickenson publishing company, inc.  1968 
 - xv, 319 p.; 30cm. 
 - Dickenson series in computer and information science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming