共 12 条
[1]
Bray R.H., 1935, AM SOIL SURVEY ASS B, V16, P70
[2]
BRAY RH, 1934, AM SOIL SURVEY ASS B, V15, P58
[3]
BRAY RH, 1935, GEOL SOC AM BULL, V46, P1909
[4]
BROWN IC, 1932, USDA TECH B, V319
[5]
GLINKA KD, 1927, GREAT SOIL GROUP WOR, P35
[6]
GRIM RE, 1935, J AM CERAM SOC, V14, P1
[7]
JOFFE JS, 1936, PEDOLOGY, P234
[8]
KELLEY WP, 1929, J AM SOC AGRON, V21, P1021
[9]
MARBUT CF, LECTURE, V3, P8
[10]
NORTON EA, 1933, AM SOIL SURV ASS B, V14, P40