共 27 条
[2]
ANDERSON LG, 1980, ALLOCATION FISHERY R, P16
[4]
BOCKSTAEL N, 1987, AM J AGR ECON, V69, P292
[5]
BOCKSTAEL N, 1987, MEASURING BENEFITS W, V3
[8]
Clark CW, 1990, MATH BIOECONOMICS
[9]
Clawson M., 1966, EC OUTDOOR RECREATIO
[10]
CLAWSON M, 1959, 10 RES FUT REPR