共 32 条
[2]
Birkeland P.W., 1974, PEDOLOGY WEATHERING
[3]
Black C.A., 1965, METHODS SOIL ANAL
[4]
CADY J. G., 1960, Transactions 7th int. Congr. Soil Sci., V4, P418
[7]
Fowells H.A., 1965, USDA FOREST SERV AGR
[8]
HADLEY JB, 1963, USGS349B US GEOL SUR