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8371 documents found.
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| Davis, A. & Jones, L.J.
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| Blackwell, H.R.
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| Roos, L.
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| Roos, L.
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| Ramaker, J.G.
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| Adrian, E.D. & Matthews, B.H.C.
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| Bouma, P.J.
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| Bouma, P.J.
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| Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer