D.C. Carter, W.D. Sproul, D.J. Christie
Society of Vacuum Coaters
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J.A. Davis, W.D. Sproul, D.J. Christie, M. Geisler
Society of Vacuum Coaters
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W.D. Sproul, D.J. Christie, D.C. Carter
Society of Vacuum Coaters
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D.A. Glocker, M.M. Romach, D.J. Christie, W.D. Sproul
Society of Vacuum Coaters
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W.D. Sproul, D.J. Christie, D.C. Carter
Society of Vacuum Coaters
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W.D. Sproul, B.E. Sylvia
Society of Vacuum Coaters
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D.J. Christie, W.D. Sproul, D.C. Carter, F. Tomasel
Society of Vacuum Coaters
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O. Kappertz, T Nyberg, D. Rosén, S. Berg
Society of Vacuum Coaters
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D. Carter, W.D. Sproul, D. Christie
Society of Vacuum Coaters
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B.M. DeKoven, P.R. Ward, R.E. Weiss, D.J. Christie, R.A. Scholl, W.D. Sproul, F. Tomasel, A. Anders
Society of Vacuum Coaters
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D.J. Christie, W.D. Sproul, D. Carter
Society of Vacuum Coaters
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R. Chistyakov, B. Abraham, W.D. Sproul
Society of Vacuum Coaters
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