Singh,Nagendra Kr. <br/><br/>
Encyclopaedia of the world scientists. 

 - New Delhi :  A.P.H.Publishing Corporation,  2004. 
 - xv, 921 p. :  ill. ;  24 cm. 
 -  Vol. IV .
<br/><br/><label>ISBN: </label>8176485608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia.
<br/><br/><label>Dewey Class. No.: </label>509.2 SIN