共 5 条
[1]
BHAUMIK H. D., 1947, SOIL SCI SOC AMER PROC, V12, P234
[2]
DUBEY HD, 1967, 7 INT NEWS B, P35
[3]
MILLER RICHARD D., 1964, SOIL SCI SOC AMER PROC, V28, P644
[4]
PARKER D. T., 1962, SOIL SCI SOC AMER PROC, V26, P238