共 10 条
- [2] ANDERSON CT, 1931, J AM CHEM SOC, V53, P476
- [3] BORNEMANN, 1920, METALL ERZ, V17, P339
- [4] EUCKEN, 1913, BER, V15, P582
- [5] HERALDSEN, 1941, Z ANORG CHEM, V246, P169
- [6] HERALDSEN, 1941, Z ANORG CHEM, V246, P195
- [7] KELLEY, 1946, 686 BUR MIN TECH PAP
- [8] KELLEY, 1940, BUR MINES B, V476, P8
- [9] SILVERMAN, 1943, B NAT RES COUNCIL, V107