Environmental Economics:  An introduction /  
FIELD, Barry C. ; FIELD, Martha K. 
 - 7th ed. 
 - xx, 471p.  ill.  23cm. 
<br/><br/>Incudes index 
<br/><br/><label>ISBN: </label>978-0-07-802189-3 
<br/><br/><label>LC Class. No.: </label>HC79  / .F53 2017