Number | Name | Date | Kind |
---|---|---|---|
377701 | Welsbach | Feb 1888 | |
2166702 | Blumenfeld | Jul 1939 | |
3100683 | Roberts | Aug 1963 | |
4231997 | Pitts | Nov 1980 | |
4489000 | Gradeff et al. | Dec 1984 | |
4492655 | Gradeff et al. | Jan 1985 |
Number | Date | Country |
---|---|---|
5581 | Feb 1971 | JPX |
Entry |
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Gmelin Handbuch der Chimie, German Version and Translation, p. 293 (date: before 1988). |
Communist Chinese Sci. Abstr., Chem. 3(Oct.), 9 (1965), Translation. |
Chizhikov et al, Russian Journal of Inorganic Chemistry, pp. 1373-1377, (Nov. 1965). |