Universal decimal classification, international 

 - 4th 
 - London  British standards Institutions       1971 
 - 12p.  cm. 
 - FID Pub; 179 .
<br/><br/> Contents UDC 383/389 communications transport. Metrology. Weights and measures Standardization 
<br/><br/><label>Standard No.: </label>6,480 
<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, qL1-;13 (2)