Krutilla, John V. <br/><br/>
The Economics of natural environments :  studies in the valuation of commodity and amenity resources / 
John V. Krutilla, Anthony C. Fisher. 
 - rev. ed. 
 - Washington, D.C. :  Resources for the Future,  1985. 
 - xxi, 300 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0915707195 :  GBP 16.35 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--United States.<br/>Public lands--United States.
<br/><br/><label>LC Class. No.: </label>HC103.7  / .K78 1985