Emery, F. E. <br/><br/>
Towards a social ecology :  contextual appreciation of the future in the present / 
by F. E. Emery and E. L. Trist 
 - London :  Plenum Press,  c1973 
 - xv, 239 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0306305631 :  USD 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social ecology<br/>Urban ecology (Sociology)<br/>Social history--20th century
<br/><br/><label>Dewey Class. No.: </label>301.3