Billings W D <br/><br/>
Plants and the ecosystem 

 - London  Macmillan           1964 
 - iv,145p.  cm. 
 - Foundamentals of botany series .
<br/><br/><label>Standard No.: </label>50154 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant ecology<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I:5, K4;2   TI