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4451 documents found.
Published:
| McFarland, R.A. & Moore, R.C.
Published:
| Siegel, S.
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| Harris, M.
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| -
Published:
| Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer
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| NNI
Published:
| Holcomb, R.L.
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| Mitchel, W.C. & Burns, A.F.
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| -