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- Steetzel, H.J. (author), Wang, Z.B. (author) report 2003
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- Stive, M.J.F. (author), Meerendonk, E. van (author), Rijn, L.C. van (author), Weck, A.W. van der (author), Walstra, D.J.R. (author), Roelvink, J.A. (author) report 1998