Hill, James Edwin,  1932- <br/><br/>
Ecology-environment handbook / 
by James E. Hill, Ervin Y. Kedar 
 - Washington, D.C. :  University Press of America,  1978 
 - 95p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Dictionaries and encyclopedias