Information processing letters 

 - Amsterdam :  North-Holland Publishing Company,  1971. 
 - 24 times a year 
<br/><br/> UKM: v.4 (1975)-. Parry's Book Center, Kuala Lumpur. RM2770.00 
<br/><br/><label>ISSN: </label>0020-0190 
 = Information processing letters Information processing letters 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Periodicals.