UDC : Universal Decimal Classification  systematic tables  Vol.1 

 - 3rd Standard Ed. 
 - London  British Standards Institution  2006 
 - xxxii, 898p. 
<br/><br/><label>ISBN: </label>058045469X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CLASSIFICATION, LIBRARIES<br/>UNIVERSAL DECIMAL CLASSIFICATION
<br/><br/><label>Universal Decimal Class. No.: </label>025.45  / U21