Number | Date | Country | Kind |
---|---|---|---|
57-173226 | Oct 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3776819 | Williams | Dec 1973 |
Entry |
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G. G. Guilbault et al., Anal. Chem., vol. 45, No. 2, pp. 417-419, Feb. 1973. |
M. Mascini et al., Anal. Chem., vol. 49, No. 6, pp. 795-798, May 1977. |