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

 - New Delhi :  Vikas Publishing house   1992 
 - 560 p. 
<br/><br/><label>ISBN: </label>0706964322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and information science
<br/><br/><label>Dewey Class. No.: </label>025.4  / KUM