United Nations Educational Scientific and Cultural Organization   <br/><br/>
World guide to sciene information and documentation services= guide mondial des centres de documentation et d'information scientifiques  (Book) 

 - Paris  Unesco  1965 
 - 211p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Information services--Directories
<br/><br/><label>Universal Decimal Class. No.: </label>026:002.6(100) UNE  / 9831