Evans, Trevor <br/><br/>
The challenge of change 

 - London  ; Pergamon Press  , 1970 
 - 190p. 
<br/><br/><label>ISBN: </label>080158242  25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Problems<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>363.73  / EVA