Number | Name | Date | Kind |
---|---|---|---|
1321062 | Lamb et al. | Nov 1919 | |
3119670 | Mitchell et al. | Jan 1964 | |
3847551 | Hutson | Nov 1974 |
Entry |
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Central Scientific Co., Catalog J-300, 1962, p. 127. |
Aloe Scientific Co., Catalog 103, 1952, pp. 1010, 1011. |
Vaska, L., Science 140, 809 (1963). |