Nambeesan, C. N. <br/><br/>
Bhouthikam. 3v, mal / 

 - Trivandrum :  Kerala Bhasha Institute publication ,  1971. 
<br/><br/> Vol.2, Draviyagunangal,dravasthithikam,thapam 
<br/><br/><label>Subjects--Index Terms: </label>Physics