By Kumar, Krishan <br/><br/>
Theory of classification 

 - 1st 
 - New Delhi  Vikas  2010 
 - xii; 560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification-Library science
<br/><br/><label>Dewey Class. No.: </label>025.315  / KUM