Bjornstad David J Ed. <br/><br/>
Contingent valuation of environmental resources. 
Bjornstad David J Ed.; Kahn James R Ed. 
 - Cheltenham  Edward Elgar        1996 
 - x,305p  cm. 
<br/><br/><label>Standard No.: </label>35519 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:(G:55), N6