Singh, Nagendra Kr. <br/><br/>
Encyclopedia of the world scientists (10 Volumes) 

 - 
 - New Delhi  APH Publishing Corporation  2004 
 - 10v. various pagination)   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-7648-560-8 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Scientists- Encyclopaedias 
<br/><br/><label>Dewey Class. No.: </label>50-051(03)