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- Kaiser, C.T. (author), Verhoeven, V.W.J. (author), Gubbens, P.C.M. (author), Mulder, F.M. (author), de Schepper, I. (author), Yaouanc, A. (author), Dalmas de Reotier, P. (author), Cottrell, S.P. (author), Kelder, E.M. (author), Schoonman, J. (author) journal article 2000