共 12 条
[1]
ARGE RCD, 1965, 166 CORN U DEP AGR E
[2]
BRENNAN MJ, 1958, AM ECON REV, V48, P50
[4]
GRAY RW, 1964, FOOD RES I STUDIES, V4, P77
[5]
GRAY RW, 1967, P INT WOOL TEXTILE O
[6]
HOUTHAKKER HS, 1967, ECONOMIC POLICY FARM
[7]
LERMER G., 1968, Canadian Journal of Agricultural Economics, V16, P27, DOI 10.1111/j.1744-7976.1968.tb02427.x
[9]
WEYMAR FH, 1966, AM ECON REV, V56, P1226
[10]
Working H., 1949, AM ECON REV, V39, P1254