共 11 条
- [1] ANDREW L. E., 1963, SOIL SCI SOC AMER PROC, V27, P693
- [2] BAKER FJ, 1960, USDASCS12 OH DEP NAT
- [3] FORSYTH JL, 1959, 25 DIV SURV OH DEP
- [4] GOLDTHWAIT R. P., 1959, OHIO JOUR SCI, V59, P193
- [5] HEFFNER RL, 1965, USDASCS24 OH DEP NAT
- [6] MADER DONALD L., 1963, SOIL SCI SOC AMER PROC, V27, P707
- [7] POWELL JAMES C., 1965, SOIL SCI SOC AMER PROC, V29, P454
- [8] Rapparlie DF, 1966, SOIL SURVEY WOOD COU
- [9] Soil Survey Staff, 1960, SOIL CLASSIFICATION
- [10] THORNBURN TH, 1959, J SOIL MECH F DIV P, V85