Método de valoración contingente
Valuing food safety and nutrition
- Boulder [etc.] : Westview Press, cop. 1995
- Libros
The Environmental impact of railways
- Carpenter, T.G.
- Chichester [etc.] : John Wiley & Sons, 1995
- Libros
Contingent valuation, transport safety and the value of life
- Boston [etc.] : Kluwer Academic Publishers, cop. 1995
- Libros
Life and Other Contingencies
- Hooker, P. F.
- London : Cambridge University Press, 1957
- Libros