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- Hengst, S. (author), Stijnen, P. (author), Kuijer, M.M.R. (author) lecture notes 1986
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- Kuijer, M.M.R. (author), Saurwalt, K.J. (author), Hengst, S. (author) lecture notes 1984
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- Hengst, S. (author), Kuijer, M.M.R. (author), Saurwa, K.J. (author) lecture notes 1984