British Standards Institution <br/><br/>
Universal decimal classification 

 - 3rd 
 - London  British Standards House       1961 
 - 254p.  cm. 
<br/><br/><label>Standard No.: </label>227,286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:51M96, J4;K1-;6-;7-;10 (2D)