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D201582 | Morgan et al. | Jul 1965 | |
D256431 | Campbell et al. | Aug 1980 | |
D321321 | Wilgus | Nov 1991 | |
D338406 | Bennebroek | Aug 1993 | |
D347579 | Hann, II et al. | Jun 1994 | |
D387673 | Crawford | Dec 1997 | |
D393211 | Mengeu | Apr 1998 |