Kahn, James R. <br/><br/>
The economic approach to environmental and natural resources / 
 Environmental & natural resources. 
James R. Kahn. 
 - 3rd ed. 
 - Mason, Ohio :  Thomson/South-Western,  2005. 
 - xviii, 638 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/>
<br/><br/><label>ISBN: </label>0030314542 (hbk.)  RM506.32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.<br/>Natural resources.