McLean, R. C. <br/><br/>
Practical field ecology  a guide for the botan departments ----- 

 - 2nd 
 - London  George Allen & Unwin  1968 
 - 215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>581.5  / M22P