共 7 条
[1]
BRESSLER RG, 1958, AGR ECON RES, V10, P118
[2]
DUNN ES, LOCATION AGR PRODUCT, P87
[3]
JUERS L, 1957, THESIS U MINN
[4]
KNUDTSON AC, 1958, J FARM EC, V40
[5]
LOSCH, EC LOCATION, P27
[6]
*USDA, 1955, 98 REP, P91
[7]
WEBER A, THEORY LOCATION IND, pR23