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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, UEnlace del recurso
Publicado 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, CEnlace del recurso
Publicado 1976