Engler, Adolf <br/><br/>
Das Pflanzenreich : regni vegetabilis conspectus - Cycadaceae 
Adolf Engler ; Ludwig Diels ; J Schuster 
 - Dehra Dun  Bishen Singh Mahendra Pal Singh  1992 
 - 168 p. : ill. ; 24 cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanique<br/>Cycadacées
<br/><br/><label>Dewey Class. No.: </label>580 ENG