Sivadas, P. K. <br/><br/>
Angane kadalundayi / 
by P. K. Sivadas 
 - Kozhikode :  Poorna,  1999. 
 - Kilukkampetti  1 .
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Geography Oceanography