Ecology / 
[ABAL]. 
 - Cambridge [Cambridgeshire] :  Cambridge University Press,  1985. 
 - 116 p. :  ill. ;  25 cm. 
<br/><br/> "Unit 9"--Cover. 
<br/><br/><label>ISBN: </label>0521288320 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541  / .E3194 1985 
<br/><br/><label>Dewey Class. No.: </label>574.5�19