Kumar K. Au. <br/><br/>
Theory of classification 

 - New Delhi  Vikas publishing house pvt. ltd. India    1979 
 - 510p  cm. 
<br/><br/><label>Standard No.: </label>20,360 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:51, L9