Ashby, Maurice <br/><br/>
Introduction to plant ecology 
Maurice Ashby 
 - 2nd. ed. 
 - London  Macmillan  1969 
 - vii,287p. :  ill. ;  22cm. 
<br/><br/> Aslo ELBS 1973 edn. 
<br/><br/><label>Dewey Class. No.: </label>574.5  / ASH