Rashid, A. <br/><br/>
An introduction to pteridophyta : diversity and differentiation 
By A. Rashid 
 - New Delhi :  Vikas,  1976 
 - xi, 283 p. 
<br/><br/><label>ISBN: </label>0706909305 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>587  / R1836