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- Van der Kolk, G.J. (author) doctoral thesis 1984
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- Stassen, H.G. (author), Van Lunteren, A. (author), Hoogendoorn, R. (author), Van Der Kolk, G.J. (author), Balk, P. (author), Morsink, G. (author), Schuurman, J.C. (author) conference paper 1981