Clarke, G.L.. <br/><br/>
Elements of Ecology /  Textual Documents 
G.L.Clarke. 
 - Sl :  Sn ,  1997. 
<br/><br/><label>Subjects--Index Terms: </label>G-Botany 
<br/><br/><label>Dewey Class. No.: </label>575.3  / C 552 E