Number | Name | Date | Kind |
---|---|---|---|
3928437 | Spaun et al. | Dec 1975 | |
3937726 | Scherer et al. | Feb 1976 | |
4011340 | Nadelson et al. | Mar 1977 |
Entry |
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Chemical Abstracts, 86:5117d (1977) [Vasilev, G., et al., Mekh. Deistviya Gerbits., [Dokl., Simp.] 1971, 187-207]. |