International inventory of software packages in the information field  (Book) 

 - Paris  United Nations Educational, Scientific and Cultural Organization  1983 
 - 605 p.  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information service--Software--Catalogs Libraries--Automation
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.06: 025.5 INT  / 13678