Universal decimal classification 
/ International Federation for Documentation 
 - The Hague:   International Federation for Documentation,   1965 
 - 81p. 
 - FID  374 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.45:37  / K5.1