Parihar, N. S. <br/><br/>
Pteridophytes / 
N. S. Parihar. 
 - 5th ed. 
 - Allahabad :  Central Book Depot,  1965. 
 - 331 p. :  ill. ;  23 cm. 
 - An introduction to embryophyta ;  vol. 11 .
 - An introduction to embryophyta ;  vol. 11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta.