ECOSOCIAL systems and ecopolitics 
/edited by Karl W.Deutsch 
 - Paris  UNESCO  1977 
 - 368 p. 
<br/><br/><label>ISBN: </label>9231014501 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment problems-Social proplems and servces
<br/><br/><label>Dewey Class. No.: </label>363.7  / ECO