Hughes, Donald <br/><br/>
Ecology in ancient civilizations / 
Donald Hughes. 
 - Albuquerque :  University of New Mexico Press,  1975. 
 - 181 p. 
<br/><br/><label>ISBN: </label>0826303676 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Ancient civilizations