Eames, Authur J. <br/><br/>
Morphology of vascular plants: lower groups(psilophytales to filicales)  Authur J. Eames. 

 - New York  Robert E.Krieger  1977 
 - xviii, 433p., ill. 22cm. 
<br/><br/><label>ISBN: </label>0-88275-459-9. 
<br/><br/><label>Dewey Class. No.: </label>581.1,  / E12M