Ashby, Maurice. <br/><br/>
Introduction to plant ecology / 
by Maurice Ashby 
 - 2nd ed. 
 - London :  Macmillan,  1969 [Reprinted 1971] 
 - ix, 287 p. :  ill. ;  23 cm 
<br/><br/>Includes bibliography ( p. 273-277) and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology
<br/><br/><label>Dewey Class. No.: </label>581.7  / ASI 1969