Pteridophytes :    their morphology, cytology taxonomy and phylogeny /  
editor : Dr. S.S. Bir. 
 - New Delhi :    Today and Tomorrow's Printers & Publishers,    1983. 
 - viii, 253 p. :    ill. ;    22 cm. 
 - Aspects of plant sciences ;    v.6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Pteridophyta.
<br/><br/><label>Dewey Class. No.: </label>587 PTE