Urban environmental indicators. 

 - Paris :  Organisation for Economic Co-operation and Development,  c1978. 
 - 274 p. : 
<br/><br/><label>ISBN: </label>9264117547 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urban ecology (Sociology)
<br/><br/><label>Dewey Class. No.: </label>333.77  / Ur