Sethumadhavan, P. <br/><br/>
Prapanchathinte janimruthikal / 
by P. Sethumadhavan 
 - Kozhikode :  Lipi,  2010. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9788188013913 
<br/><br/><label>Subjects--Index Terms: </label>Physics - Universe Space Physics-Universe