Hawley, Amos <br/><br/>
Human ecology  a theory of community structure 

 - Estados Unidos :  Ronald Press,  1950. 
 - 456p 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>COMUNIDAD SOCIAL<br/>Ecología
<br/><br/><label>Dewey Class. No.: </label>301.3