1. The Injury Fact Book;Baker,1984
2. Private cars skidding on icy roads;Ifver,1984
3. Follow-up study of speeds on rural roads. Measurements made during 1985;Nilsson,1986
4. Road Traffic Accidents with Personal Injury.;Statistics Sweden (Official Statistics of Sweden),1967
5. Monthly and yearly summary of weather and water supply in Sweden;Swedish Meteorological and Hydrological Institute (SMHI),1967