共 15 条
- [2] BAILEY MJ, 1979, MEASURING BENEFITS L
- [5] BURMASTER DE, 1982, TECHNOL REV, V85, P51
- [6] Freeman A. M, 1979, BENEFITS AIR WATER P
- [7] KAVANAUGH M, 1982, EC EFFICIENT STRATEG
- [8] Krutilla J, 1975, EC NATURAL ENV
- [9] Krutilla JV, 1967, AM ECON REV, V57, P777
- [10] Mitchell RC, 1981, EXPT DETERMINING WIL