Ayyappan Nair, S <br/><br/>
Keralabhoovijnaneeyam (m) / 
Ayyappan Nair, S 
 -  Kerala Bhasha Institute, Trivandrum,  1974 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, meteorology, hydrology
<br/><br/><label>Dewey Class. No.: </label>551 AYY-K