Cumulated UDC supplement 1965-1975 
/ FID, The Hague, January 1973 
 - The Hauge:   FID,   1976 
 - 442p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Subjects--Index Terms: </label>Information services 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.45UDC  / K1-2.1;3