共 22 条
- [1] [Anonymous], 1974, WATERFOWL WETLANDS B
- [2] BENNETT JV, 1987, CLOSING GAP BURDEN U, P102
- [3] BROOKSHIRE DS, 1987, AM ECON REV, V77, P554
- [7] Cummings R.G., 1986, VALUING ENV GOODS AS
- [9] HANEMANN WM, 1991, AM ECON REV, V81, P635
- [10] Johnson R. A., 1988, APPL MULTIVARIATE ST, V2nd, P9607