共 17 条
[1]
BLACK CA, 1965, METHODS SOIL AN 1 ED
[3]
Fitts J. W., 1943, SOIL SCI SOC AMER PROC, V8, P432
[4]
GROSSMAN R. B., 1957, Soil Science Society of America. Proceedings, V21, P322
[5]
GROSSMAN RB, 1959, THESIS U ILLINOIS
[6]
HOOGHOUDT SB, 1950, VERS LANDBOUWK ONDER
[8]
JAEGER JC, 1962, ELASTICITY FRACTURE
[9]
JUMIKIS AR, 1962, SOIL MECHANICS
[10]
KAWAMURA N, 1958, J SOC AGRI MACHINERY, V1