Publications and information Directorate CSIR <br/><br/>
The Wealth of India (vol.-VII: N-Pe) 
/ by Publications and information Directorate CSIR 
 - New Delhi:  Publications and information Directorate CSIR,  1988. 
 - 330p. 
<br/><br/><label>ISBN: </label>8185038171 
<br/><br/><label>Dewey Class. No.: </label>338.2  / PUB/T