Number | Name | Date | Kind |
---|---|---|---|
292742 | Beck et al. | Jul 1943 | |
3684443 | Zirngibl et al. | Aug 1972 | |
3806581 | Grimes et al. | Apr 1974 |
Number | Date | Country |
---|---|---|
934,093 | Aug 1963 | UK |
Entry |
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J. W. Mellor's, "A Comp. Treatise on Inorg. and Theo. Chem.," vol. 9, 1929, pp. 241 and 242, Longmans, Green & Co., N.Y. |
J. W. Mellor's, "A Comp. Treatise on Inorg. and Theo. Chem.," vol. 2, 1922, p. 66, Longmans, Green & Co., N.Y. |
"Treatise on Inorganic Chemistry," vol. 1, 1956 Ed., by H. Remy, p. 658, Elsevier Pub. Co., N.Y. |
"Table of Periodic Properties of the Elements" by Sargent--Welch, 1968, Sargent--Welch Sc. Co., Chicago, Ill. |