Bell peter, r. <br/><br/>
The diversity of green plant 

 - Great britain  Whitsablelitho  1971 
<br/><br/><label>ISBN: </label>0 7131 2309 5 
<br/><br/><label>LC Class. No.: </label>581.13342/BEL 
<br/><br/><label>Dewey Class. No.: </label>581.13342/BEL