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- Winckers, A.L.R. (author) other 1990
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- Winckers, A.L.R. (author) other 1990
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- Winckers, A.L.R. (author) other 1990
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- Winckers, A.L.R. (author) other 1990
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- Winckers, A.L.R. (author) other 1990
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- Damsteeg, D.A. (author), Goudeau, F.M. (author), Vermeulen, M.C.H. (author), Winckers, A.L. (author) other 1989
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- Winckers, A.L.R. (author) other 1987