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3737212 | Antonson et al. | Jun 1973 | |
4167113 | Mann | Sep 1979 | |
4218111 | Withrington et al. | Aug 1980 | |
4711512 | Upatnieks | Dec 1987 | |
4859030 | Rotier | Aug 1989 | |
4927234 | Banbury et al. | May 1990 | |
5035473 | Kuwayama et al. | Jul 1991 | |
5044706 | Chen | Sep 1991 | |
5129716 | Holakovszky et al. | Jul 1992 | |
5162828 | Furness et al. | Nov 1992 |
Entry |
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Nordwall, Bruce D., "New Helmet for Pilots to Combine Night Vision and Head-Up Display," Aviation Week & Space Technology, Nov. 1991, pp. 78-79. |
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