Sporne, K.R <br/><br/>
The morphology of pteridophytes  the structure of ferns and allied plants 

 - 4th ed 
 - London  Hutchinson  1975 
 - 191 p.  Illustration 
<br/><br/><label>ISBN: </label>0091238617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY
<br/><br/><label>Dewey Class. No.: </label>587  / SPO