1. Preliminary costs for accident-types;Andreassen,1992
2. Autostrade. The price of road accidents. Submitted as annex to letter dated 10.7.1986 to Mr. H. Hvoslef, Norwegian Public Roads Administration. (Paper prepared as part of PIARC [Permanent International Association of Road Congresses] Conference session on road accident costs.)
3. International road traffic and accident data. Brief overview;Bundesanstalt für Strassenwesen,1993
4. The effect of speed limits on road casualties;Fieldwick;Traffic Engineering and Control,1987
5. Kjørekostnadshåndbokens tabellhefte og eksempelsamling. Kostnader pr 1;Gabestad,1991