Universal decimal classification 

 - London:   British Standards Institution,   1988 
 - 617p.  
 - FID publication no. 571 .
<br/><br/> Part 2. (Alphabetical subject index) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Classification Nature 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.45  / K1;M5.2;13