1. Assessing day-to-day variability in complex travel patterns;Hanson;“Transportation Research Record”,1981
2. Systematic variability in repetitious travel;Hanson;“Transportation”,1988
3. Multi-day samples, parameter estimation precision, and data collection costs for least squares trip-generation models;Pas;Environment and Planning A,1986
4. The Dutch mobility panel: Experiences and evaluations;Van Wissen;“Transportation”,1989
5. Developing a household travel panel survey for the Puget Sound region;Murakami;“Transportation Research Record”,1990