United Nations. Department of Economic and Social Affairs <br/><br/>
Human settlements : the environmental challenge. 

 - London  Macmillan Press  1974 
 - xiii,209p.; 22cm. 
<br/><br/> A compendium of United Nations papers prepered for the Stockholm conference on the human environment, 1972 
<br/><br/><label>Dewey Class. No.: </label>301.3  / UN