Trivedi, B.S <br/><br/>
Text book of pteridophytes 

 - Lucknow  Urit Pub.  1974 
 - 130 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PLANTS
<br/><br/><label>Dewey Class. No.: </label>587  / TRI