Sethumadhavan, P. <br/><br/>
Prapanchathinte janimruthikal / 
by P. Sethumadhavan 
 - 2nd ed. 
 - Kozhikode :  Lipi Publications,  2010. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Physics