The fammilies and general of vascular plants 
edited by K.Kubitzki, K.U.Karamer, P.S.Green. 
 - Berlin Heidenberg  Springer Verlag  1990 
 - ix,404p.: ill; 27cm. 
<br/><br/> Voli: pteridophytes and gymnosperms. 
<br/><br/><label>ISBN: </label>3540512944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta - classifications Gymnosperms - Classifications. 
<br/><br/><label>Dewey Class. No.: </label>583.012  / F16F