- Publication venue
- BioMed Central
- Publication date
- 01/01/2008
- Field of study
- Publication venue
- Stockholm : Statens Väg- och Trafikinstitut
- Publication date
- 01/01/1974
- Field of study
- Publication venue
- Stockholm : Statens väg- och trafikinstitut
- Publication date
- 01/01/1973
- Field of study