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

 - New Delhi   Vikas India          1979 
 - xii, 510p. Bib chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Sicence
<br/><br/><label>Dewey Class. No.: </label>2:51, L9