Universal Decimal Classification  
British Standard Institution 
 - Pocket edition. 
 - London:  British Standard Institution ,  1999. 
<br/><br/>Includes Index. 
<br/><br/><label>ISBN: </label>0580330451 (Paperback) 
<br/><br/><label>Subjects--Topical Terms: </label>--Universal Decimal Classification
<br/><br/><label>LC Class. No.: </label>Z696