Kumar, Krishan.  1933- <br/><br/>
Theory of classification / 
Krishan Kumar. 
 - 4th Rev. ed. 
 - New Delhi :  Vikas,  1991. 
 - xii, 560 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books.
<br/><br/><label>Dewey Class. No.: </label>025.42  / KUT 1991