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4326 documents found.
Published:
| Lamm, R. & Kupke, P.
Published:
| Weber Jr, W.G. Grey, R.L. & Cady, P.D.
Published:
| Kleef, G.M. van
Published:
| Hecht, S., Hendley, C.D. Ross, S. et al.
Published:
| Hanes, R.M. & Williams, S.B.
Published:
| Joint Committee of American Association of State Highway and Transportation Officials AASHTO, Institute of Traffic Engineers and National Conference on Street and Highway Safety
Published:
| -
Published:
| Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer