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8101 documents found.
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| Ross, H.L.
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| James, W. & Stein, C.
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| Pfaffmann, C.
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| Smeed, R.J.
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| Herfkens, B.D.
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| Luckiesh, M. & Guth, S.K.
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| Jouaust, R.
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| Tillman, W.A. & Hobbs, G.E.
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| Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer