Sardana, J. L., Sehgal, R. L. <br/><br/>
Universal decimal classification  structure and methodology 

 - New delhi  Ess ess publications  1983 
 - 208p. 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library classification<br/>Library science<br/>UDC
<br/><br/><label>Dewey Class. No.: </label>025.432  / SAR