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- Hengst, S. (author), van der Heijden, E.W.P. (author), Klooster, P.J.F. (author), Schmall, D. (author), Mallant, R.K.A.M. (author), Dingemanse, R.D. (author), Nachtergal, J.P. (author), Hartsema, K.E. (author) other 1998
- document
- Hengst, S. (author), van der Heijden, E.W.P. (author), Klooster, P.J.F. (author), Schmall, D. (author), Mallant, R.K.A.M. (author), Dingemanse, R.D. (author), Nachtergal, J.P. (author), Hartsema, K.E. (author) other 1998
- document
- Hengst, S. (author), van der Heijden, E.W.P. (author), Klooster, P.J.F. (author), Schmall, D. (author), Mallant, R.K.A.M. (author), Dingemanse, R.D. (author), Nachtergal, J.P. (author), Hartsema, K.E. (author) other 1998
- document
- Hengst, S. (author), Otten, S.R. (author), Klooster, P.J.F. (author), Schmall, D. (author), Mallant, R.K.A.M. (author), Dingemanse, R.D. (author), Nachtergal, J.P. (author), Hartsema, K.E. (author) other 1998
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- Jansen, C.M.A. (author), Hengst, S. (author) other 1998
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- van den Hoed, R. (author), Vergragt, J. (author), Hengst, S. (author) other 1997
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- Hengst, S. (author) other 1996
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- Hengst, S. (author) other 1995
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- Tebodin (author) other 1990