Sharma,O.P.   <br/><br/>
Pteridophyta  
O.P.Sharma 
 - New Delhi, India   Tata McGraw Hill..  2012 
 - V.P. 
<br/><br/>Includes index Bibliography,Glossary. 
<br/><br/><label>ISBN: </label>9781259003349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta, Botany.
<br/><br/><label>Dewey Class. No.: </label>587/S531p