- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- 01/01/1979
- Field of study
- Publication venue
- eScholarship, University of California
- Publication date
- 01/03/2009
- Field of study
- Publication venue
- eScholarship, University of California
- Publication date
- 01/03/2009
- Field of study
- Publication venue
- 'American Public Health Association'
- Publication date
- Field of study
- Publication venue
- 'Transportation Research Board'
- Publication date
- Field of study