Number | Date | Country | Kind |
---|---|---|---|
2640285 | Sep 1976 | DE |
Number | Name | Date | Kind |
---|---|---|---|
4035079 | Sperling | Jul 1977 | |
4042303 | Huber | Aug 1977 |
Entry |
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Chu et al., Analytical Chemistry, vol. 44, No. 8, Jul. 1972, pp. 1476-1479. |
Church et al., Analytical Chemistry, vol. 46, No. 9, Aug. 1974, pp. 1352-1355. |
Chau et al., Analytical Chemistry, vol. 47, No. 13, Nov. 1975, pp. 2279-2281. |