Venkateswarlu, V <br/><br/>
Textbook of pteridophyta for degree course 

 - 4 
 -  Maruthi Book Depot, Guntur  1971 
 - 248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta; Botany
<br/><br/><label>Dewey Class. No.: </label>587  VEN-T4