Winpenny, J.T. <br/><br/>
Values for the Enviroment   a guide to Economic appraisal 
J.T. Winpenny 
 - London  HMSO  1991 
 - ix,277p 
 - overseas development Institute .
<br/><br/><label>ISBN: </label>0115802576 
<br/><br/><label>Dewey Class. No.: </label>333.7 W731 V