Becht, J. Edwin,  1918- <br/><br/>
World resource management :  key to civilizations and social achievement / 
J. Edwin Becht, L. D. Belzung 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1975 
 - xi, 329 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0139681078 
<br/><br/><label>LCCN: </label>75-005742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Management<br/>Power resources--Management<br/>Human ecology