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

 - 4 rev. 
 - New Delhi  Vikas  1988 
 - xi, 560p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>706986385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification theory -- Library science<br/>Library science