Disk storage input /output instructions, IBM 1401 data processing system, IBM 1460 data processing system 

 - New York  International Business Machine corporation  1960 
 - 43p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming
<br/><br/><label>Dewey Class. No.: </label>I5372 In8/SRL/8