Number | Name | Date | Kind |
---|---|---|---|
3385160 | Dawson et al. | May 1968 | |
4082464 | Johnson, Jr. | Apr 1978 |
Number | Date | Country |
---|---|---|
WO7900464 | Jul 1979 | WOX |
Entry |
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Angus, UV Group Bulletin, No. 8, Part 1, Jun. 1980, pp. 53-60. |
Angus, Optical Spectra, vol. 14, No. 8, Aug. 1980, pp. 49-52. |