National Academy of Sciences. Division of Earth Sciences <br/><br/>
Resources and man :  a study and recommendations / 
by the Committee on Resources and Man of the Division of Earth Sciences. 
 - San Francisco :  Freeman,  c1969. 
 - xi, 259 p. : ill. 
<br/><br/><label>ISBN: </label>0716702444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources.<br/>Man--Influence of environment.