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1619 documents found.
Published:
| Creswell, J.S. Dunlap, D.F. & Green, J.A.
Published:
| Smeed, R.J.
Published:
| Herfkens, B.D.
Published:
| Luckiesh, M. & Guth, S.K.
Published:
| Jouaust, R.
Published:
| Tillman, W.A. & Hobbs, G.E.
Published:
| Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer
Published:
| Plackett, R.L.