共 4 条
[1]
BROWN CA, 1941, PHYSICAL CHEM METHOD, P856
[2]
HOPKINS M, 1943, RHODORA, V45, P270
[3]
Menaul P, 1923, J AGRIC RES, V26, P0259
[4]
WEHMER C, 1931, PFLANZENSTOFFE, P688