Bjornstad, David J <br/><br/>
Contingent valuation of environmental resources  methodological issues and research needs 

 - UK  Edward Elgar  1996 
 - x,305p.  HB.  22cm. 
 - New horizons in environmental economics .
<br/><br/><label>ISBN: </label>18589983215 
<br/><br/><label>Dewey Class. No.: </label>363.7  / BJO