Ashby, Maurice <br/><br/>
Introduction to plant ecology 
by Maurice Ashby 
 - 2nd ed. 
 - London  MacMillan  1969 
 - vii, 287 p.  : ill.  ; 22 cm. 
<br/><br/><label>LCCN: </label>69-017458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Ecology