共 57 条
[51]
SELIGMAN, 1920, J I METALS, V23, P171
[52]
SELIGMAN, 1916, J SOC CHEM IND, V35, P88
[53]
SELIGMAN, 1918, J SOC CHEMIND, V37, P159
[54]
SIEVERTZ, 1923, Z ANORG ALLGEM CHEM, V126, P194
[55]
WOLF, 1940, ALUMINIUM, V22, P186
[56]
1929, Patent No. 570468
[57]
1939, Patent No. 2153952