共 6 条
[1]
BUCKINGHAM, USDA BUR SOILS, V38
[2]
GARDNER, 1921, SOIL SCI, V11, P224
[3]
HILGARD, SOILS, P209
[4]
KING, PHYS AGR, P134
[5]
1921, SOIL SCI, V11
[6]
USDA BUR SOILS B, V45