Number | Name | Date | Kind |
---|---|---|---|
3105005 | Cannon et al. | Sep 1963 | |
3422100 | Crast et al. | Jan 1969 | |
3503967 | Silvestri et al. | Mar 1970 | |
3578661 | Hauraner et al. | May 1971 |
Entry |
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Cavallito, Chemical Abstracts, vol. 41 (1947) 94c. |
Gottschalk et al., Chemical Abstracts, vol. 73 (1970) 75236x. |