Dev Karna . <br/><br/>
Scienxes PARt II   Textual Documents 

 - New dehli :  Ramesh Publishing house . 
 - 164 pg. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Natural sciences & mathematics 
<br/><br/><label>Dewey Class. No.: </label>500  / DEV