Ecology and the environment I :   Life Sciences 21 

 - 83 pages :   colour illustrations ;   30 cm 
 - Illustrated encyclopedia of science and nature .
 - Illustrated encyclopedia of science and nature .
<br/><br/><label>ISBN: </label>9628851497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>503