Number | Name | Date | Kind |
---|---|---|---|
4505831 | Fenyes et al. | Mar 1985 | |
4650866 | Rayudu | Mar 1987 | |
4671934 | Terry et al. | Jun 1987 | |
4920107 | Pera et al. | Apr 1990 |
Entry |
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Friedrich et al., Zur Kenntnis des Hexamethylentetramins I., 54B Berichte 1531-42 (1921) (Including English language abstract). |