Parihar, N.S. <br/><br/>
The Biology and morphology of pteridophytes 
N.S. Parihar. 
 - 2nd ed. 
 - Allahabad  Central Book Distributors  1992 
 - 776p., ill.; 22cm. 
<br/><br/><label>Dewey Class. No.: </label>587.04  / P15B