Rashid,A <br/><br/>
An Introduction to Pteridophyta:  Diversity and Differentiation/ 
by A Rashid 
 - New Delhi:  Vikas Publishing House,  1976. 
 - 283p. 
<br/><br/><br/>Pteridophyta 
<br/><br/><label>ISBN: </label>0706904478 
<br/><br/><label>Dewey Class. No.: </label>587  / RAS/I