A set of guidlines :  For social-economic cost benefit analysis of transport infrastructure projekt appraisal / 
Economic commision for Europe. 
 - New York ;  Geneva :  United Nations,  2003. 
 - 66 p. 
<br/><br/> "United Nations Publication, Sales No.E.03.II.E.22" 
<br/><br/><label>ISBN: </label>92-1-116837-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics