Walters, Terrence  Walters, T.  Osborne, Roy <br/><br/>
Cycad Classification  Concepts and Recommendations 

 -  CABI Publishing  2004. 
 - 276 Pages 
<br/><br/><label>ISBN: </label>0851998712 
<br/><br/><label>Dewey Class. No.: </label>585/.9/012  /