共 43 条
[11]
CARR JH, 1983, LAND USE ISSUES 1980
[12]
COUGHLIN RE, 1980, PROTECTION FARMLAND
[14]
Dietz T., 1987, RISK PROFESSIONALS
[15]
Driesche R. G. van, 1987, Sustaining agriculture near cities, P49
[16]
FREEDGOOD J, 1991, J SOIL WATER CONSERV, V46, P329
[18]
GUSTAFSON GC, 1984, AER520 US DEP AGR EC
[19]
HAWLEY AH, 1978, HDB CONT URBAN LIFE, P2
[20]
Heimlich R. E., 1987, Sustaining agriculture near cities, P135