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1por Asseo, E, Barbalat, O, Bloess, D, Boucheron, J, Boutheon, M, Coudert, G, Davies, H, Dekkers, D, Gelato, G, Georgijevic, M, Germain, C, Hardt, W, Hoffmann, L, Krusche, A, Madsen, J.H.B, Munday, GL, Reich, KH, Rohner, F, Riunaud, J.P, Rufer, C, Tallgren, UObter o texto integral
Publicado em 1974
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2
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3por Barbalat, O, Bloess, D, Dekkers, D, Georgijevic, M, Germain, C, Hardt, W, Hoffmann, L, Kuiper, B, Lefevre, P, Madsen, J.H.B, Munday, G.L, Plass, G, Reich, K.H, Rufer, Ch, Standley, P.H, Steinbach, CObter o texto integral
Publicado em 1976