Landsberg, Hans H. <br/><br/>
Resources in America's future: patterns of requirement and availabilities 
by Hans H. Landsberg...[et.al] 
 - Baltimore  John Hopkins  1963 
 - 1017p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources --United States
<br/><br/><label>Dewey Class. No.: </label>Yx73 L239