共 9 条
- [4] PLANTE EP, 1948, 2297 AM I MIN MET EN
- [5] RAO SR, 1961, J SCI INDUSTR RES, VD 20, P432
- [6] RAO SR, 1960, J MINES METALS FUELS, V8, P18
- [7] VENKATADAS R, 1960, J MINES METALS FUELS, V8, P155
- [8] Wark I.W., 1934, T AIME, V112, P189
- [9] WARK IW, 1935, J PHYS CHEM, V39, P553