Sinden, John A. and Worrell, Albert C. <br/><br/>
Unpriced values; decisions without market prices   

 - New York  John Wiley  1979 
 - xvi, 511p. Index 
<br/><br/> "A Wiley Interscience publication"   
<br/><br/><label>ISBN: </label>0471027421 
<br/><br/><label>Dewey Class. No.: </label>338.521  / Si616.UV