共 12 条
[1]
ENSEMINGER, 1939, SOIL SCI, V48, P467
[3]
GRIMSHAW, 1945, T BRIT CERAM SOC, V44, P69
[4]
Hauser E. A., 1950, US Patent, Patent No. [2,531,427, 2531427]
[6]
HOPEWELL, 1945, ANALYST, V17, P70
[7]
JORDAN W, 1949, MINERAL MAG, V28, P598
[8]
KELLEY, 1ST P NAT C CLAY CLA, P92
[9]
KELLEY, DEP NATURAL RESOURCE, V169
[10]
LLOYD, 1916, J AM PHARM ASS, V5, P381