Samenvatting
Traffic counts carried out in 1968 in the province of Friesland are presented.
Traffic counts carried out in 1968 in the province of Friesland are presented.
Leeuwarden, Provinciale Waterstaat van Friesland, 1969, unp., fig., graph., tab.
Deze publicatie behoort tot de overige publicaties die we naast de SWOV-publicaties in onze collectie hebben.