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Statistiek der motorrijtuigen: 1 augustus 1959, Deel 2 Overige categorieën.

Gepubliceerd: | Centraal bureau voor de Statistiek, hoofdafdeling statistieken van verkeer en vervoer

Soil mapping : methods and applications. Presented at the 40th [Highway Research Board HRB] Annual Meeting, January 9-13, 1961.

Gepubliceerd: | -

Tests for concrete and durability of concrete aggregates. Presented at the 40th [Highway Research Board HRB] Annual Meeting, January 9-13, 1961.

Gepubliceerd: | -

Bituminous construction operations. Presented at the 39th [Highway Research Board HRB] Annual Meeting, January 11-15, 1960.

Gepubliceerd: | -

Developments in salvaging old pavements by resurfacing 1961. Presented at the 40th [Highway Research Board HRB] Annual Meeting, January 9-13, 1961.

Gepubliceerd: | -

Flexible pavement design developments 1961. Presented at the 40th [Highway Research Board HRB] Annual Meeting, January 9-13, 1961.

Gepubliceerd: | -

Fly ash in concrete. Presented at the 39th [Highway Research Board HRB] Annual Meeting, January 11-15, 1960.

Gepubliceerd: | -

Freeway design and operations. Presented at the 40th [Highway Research Board HRB] Annual Meeting, January 9-13, 1961.

Gepubliceerd: | -

Awareness of collision course in traffic accidents.

Gepubliceerd: | Ross, H.L.

Effects on speed and accidents of improved delineation at three hazardous locations.

Gepubliceerd: | Powers, L.D. & Michael, H.L.