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Ezhilchelvan, P. D. Brasileiro, F. V. Speirs, N. A.
Pág. 53 - 65
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Speirs, D. C. Phelps, A. D. R. Konoplev, I. V. Cross, A. W. He, W.
Pág. 826 - 831
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Speirs, Jim; Correll, Ray; Cain, Patricia
Pág. 137 - 142
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Hughes, R K; Desforges, N; Selwood, C; Smith, R; Speirs, C I; Sinnaeve, G;
Pág. 877 - 882
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Prestage, S; Linforth, R S T; Taylor, A J; Lee, E; Speirs, J; Schuch, W
Pág. 131 - 136
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