Iyer, L A N; Sudhakara Menon, T, Ed.; Ayyappan Nair, S, Tr. <br/><br/>
Indiayile ratnangal (m) / 
Iyer, L A N; Sudhakara Menon, T, Ed.; Ayyappan Nair, S, Tr. 
 -  State Institute of Languages, Trivandrum,  1974 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gems; Economic geology
<br/><br/><label>Dewey Class. No.: </label>553.8 IYE-I