Kumar, Krishan <br/><br/>
Reference service 
<label>/ by </label> Kumar, Krishan 
 - 2nd ed. 
 - New Delhi  Vikas Publishing  1978 
 - x, 444p. 
<br/><br/><label>ISBN: </label>0706906373 
<br/><br/><label>Dewey Class. No.: </label>025.52  / KUM