Ecological biology 2:   the inter relations organisms /  
D.W. Ewer & J.B. Hall 
 - London  Longman group UK ltd  1978 
 - xii,525.:ill.  Pbk 
<br/><br/><label>ISBN: </label>0582606489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental sciences
<br/><br/><label>LC Class. No.: </label>QH541.E8 1978