Number | Name | Date | Kind |
---|---|---|---|
339669 | Lillie | Apr 1886 | |
615751 | Sands | Dec 1898 | |
1620826 | Mitchell | Mar 1927 | |
2907404 | Mare | Oct 1959 | |
3210914 | Eckert | Oct 1965 | |
3255571 | Walker et al. | Jun 1966 | |
3757495 | Sievers | Sep 1973 | |
3898308 | Baum | Aug 1975 | |
3957464 | Teller | May 1976 | |
3996317 | Sarmiento et al. | Dec 1976 |
Number | Date | Country |
---|---|---|
804696 | Apr 1951 | DEX |
Entry |
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McGraw-Hill Encyclopedia of Science and Technology, 1971 Edition, vol. 1, p. 241; vol. 4, pp. 333 and 334; vol. 6, pp. 47, 48 and 49. |