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7299 documents found.
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| Ward, R.M. & Spronz, W.
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| Little, G.
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| Junger-Tas, J.
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| Buikhuisen, W. & Bergeijk, G.A. van
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| Coenen, A.W.M. & Dijk, J.J.M. van
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| Cozijn, C. & Dijk, J.J.M. van
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| Breinbauer, W. Höfner, K.J. & Schmidt, L.
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| Centraal Bureau voor de Statistiek.