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By Thornbush, Mary J., Sylvia E.
By Armstrong, M., Bettini, C., Champigny, N., Galli, A., Remacre
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By Wilson, B. M.
By Haas, Janos
By West, L.T., Singer, M.J., Hartemink, A.E.
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By Ziaja, Wiesław
By Pelto, Mauri
By Paldor, Nathan
By Gatrell, Jay D., Bierly, Gregory D., Jensen, Ryan R.
By Tang, Huajun, Li, Zhao-Liang
By V.V. Ryabov, A.Ya. Shevko, M.P. Gora
By Scoon, Roger N.
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By Atkinson, Peter M., Lloyd, C. D.
By Shirley, J.H., Fairbridge, Rhodes W.
By Dimitrakopoulos, Roussos
By Marshall, C.P., Fairbridge, Rhodes W.
By Armstrong, M., Dowd, P.A.
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By Fleury, Spencer
By Ryabov, V.V., Shevko, A.Ya., Gora, M.P.