Ashby, Maurice. <br/><br/>
Introduction to plant ecology / 
by Maurice Ashby 
 - London :  Macmillan,  1961 [Reprinted 1963, 1965] 
 - 250 p. :  ill. ;  23 cm 
<br/><br/>Includes bibliography and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology
<br/><br/><label>Dewey Class. No.: </label>581.7  / ASI 1963