共 20 条
[1]
Bagchi S., UNPUB
[2]
BERG R, 1927, Z ANAL CHEM, V71, P369
[3]
CHATTERJEE B., 1942, Indian Journal of Agricultural Science, V12, P113
[4]
CHATTERJEE B, UNPUB
[5]
CHATTERJEE B, 1942, B INDIAN SOC SOIL SC, V4, P148
[6]
Daikuhara G., 1914, B IMPERIAL CENTRAL A, V2, P18
[7]
KAPPEN H, 1916, LANDW VERS STA, V88, P96
[8]
Kappen H., 1929, BODENAZIDITAT