Proceedings of the United Nations scientific conference on the conservation and utilization of resources. 

 - New York :  UN ,  1951 
 - 629 p. :  ill. ;  35 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>333.9  / UN