Number | Name | Date | Kind |
---|---|---|---|
2034256 | Vetter | Mar 1936 | |
2993756 | Marlatt et al. | Jul 1961 | |
4431625 | Marshall et al. | Feb 1984 |
Number | Date | Country |
---|---|---|
934105 | Aug 1963 | GBX |
Entry |
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Kirk-Othmer, "Encyclopedia of Chemical Technology", Wiley and Sons, N.Y., 3rd ed., vol. 6 p. 95. |
J. P. Mellor, A Comprehensive Treatise on Inorganic and Theoretical Chemistry. |