Billings [w D],  <br/><br/>
Plants And The Ecosystem 

 - Kingston  Macmillan and Co., Limited  1965 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Plant ecology--Botany--Specific topics in natural history
<br/><br/><label>Dewey Class. No.: </label>581.7  / BIL-P