Number | Name | Date | Kind |
---|---|---|---|
1875305 | Hill | Aug 1932 | |
2007406 | Miller | Jul 1935 | |
2584573 | Gay | Feb 1952 | |
2637531 | Davidson | May 1953 | |
2693939 | Marchant | Nov 1954 | |
2780415 | Gay | Feb 1957 | |
3262493 | Hervey | Jul 1966 | |
3339629 | Hervey | Sep 1967 | |
3461952 | Decker | Aug 1969 | |
3620206 | Harris | Nov 1971 |
Entry |
---|
Environmental Science and Technology, June, 1973, pp. 512-516, Meyer and Todd. |