Vest, G. M., Vest, R. W.
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Blad, Blaine L. et al.
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Teksoz, M. Naft et al.
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Kriss, G.R.
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Feigelson, R.S.
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Gaposchkin, E. M.
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Wurtele, M.G.
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Blank, G. E.
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Helmreich, Robert L.
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Karr, L.J.
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Engebretson, M.J.
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Stuart, D.G.
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