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- Kleter, B. (author), van Doorn, L.J. (author), Schrauwen, L. (author), Molijn, A. (author), Sastrowijoto, S. (author), ter Schegget, J. (author), Lindeman, J. (author), ter Harmsel, B. (author), Burger, M. (author), Quint, W. (author) journal article 1999