共 112 条
[81]
Nicholson S. E., 1978, Journal of Arid Environments, V1, P3
[83]
OBrien Patrick, 1978, EC GROWTH BRITAIN FR
[84]
Ohlin B., 1933, INTERREGIONAL INT TR
[85]
PARRY ML, 1978, CLIMATIC CHANGE AGRI
[86]
PERLOFF HS, 1961, NATURAL RESOURCES EC
[87]
PETTERSON O, 1913, KLIMATFORANDRIGAR HI
[88]
PRESTWICH R, 1975, T I BRIT GEOGR, V64, P97
[89]
Ricardo D., 1917, PRINCIPLES POLITICAL
[90]
Rostow W., 1953, PROCESS EC GROWTH