Leach, William <br/><br/>
Plant ecology / 
Leach, William 
 - 4 ed. 
 -  Methuen & Company, London,  1963 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology; Botany
<br/><br/><label>Dewey Class. No.: </label>581.5 LEA-P4