Sinden, John A. <br/><br/>
Unpriced values :  decisions without market prices / 
John A. Sinden, Albert C. Worrell. 
 - New York :  Wiley,  1979. 
 - xvi, 511 p. 
<br/><br/> "A Wiley-Interscience publication" 
<br/><br/><label>ISBN: </label>0471027421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Value.<br/>Valuation.<br/>Externalities (Economics).<br/>Environmental policy--Decision-making.