Number | Name | Date | Kind |
---|---|---|---|
3868592 | Yarborough et al. | Feb 1975 | |
3973219 | Tang et al. | Aug 1976 | |
3983507 | Tang et al. | Sep 1976 | |
4150342 | Johnston, Jr. et al. | Apr 1979 | |
4696012 | Harshaw | Sep 1987 |
Entry |
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Lopasov et al., vol. 28 Optics & Spectroscopy pp. 291-292 (1970). |
Williams et al., paper, SICOLS Conference Proceedings (1983). |