TY  - BOOK
AU  - Hausman Jerry A Ed.
TI  - Contingent valuation :  A critical assessment edit   
T2  - Contributions to Economic Analysis
SN  - 0444814698
U1  - X:7:(B), N3 
PY  - 1993///
CY  - Amsterdam
PB  - North Holland Netherland        
KW  - Value
ER  -