Sinden,J.A <br/><br/>
Unpriced values :  decisions without market prices / 
John A.Sinden, Albert C. Worrel 
 - New York :  John Wiley & Sons,  1979 
 - 511 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0471027421 
<br/><br/><label>LCCN: </label>78-024183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Values<br/>Valuation<br/>Externalities(Economics)<br/>Environmental policy--Decision-making