共 36 条
[22]
LANGFORD WA, 1978, 37 CAN WILDL SERV OC
[23]
Maler Karl-Gbran, 1974, ENV EC THEORETICAL I
[27]
MUELLBAUER J, 1974, AM ECON REV, V64, P977
[30]
QUIRK JP, 1970, EC FISHERY MANAGEMEN