Hunecke, M., Blöbaum, A., Matthies, E., & Höger, R. (2001). Responsibility and environment: Ecological norm orientation and external factors in the domain of travel mode choice behavior. Environment and Behavior, 33(6), 830-852.

Poudenx, P. (2008). The effect of transportation policies on energy consumption and greenhouse gas emission from urban passenger transportation. Transportation Research Part A: Policy and Practice, 42(6), 901-909.

Taylor, B. D., Miller, D., Iseki, H., & Fink, C. (2009). Nature and/or nurture? Analyzing the determinants of transit ridership across US urbanized areas.

Cao, X., Mokhtarian, P. L., & Handy, S. L. (2009). The relationship between the built environment and nonwork travel: A case study of Northern California

Robèrt, M. (2009). A Model for Climate Target Oriented Planning and Monitoring of Corporate Travel. International Journal of Sustainable Transportation, 3(1), 1-17.

Walton, D. & Sunseri, S. (2010). Factors Influencing the Decision to Drive or Walk Short Distances to Public Transport Facilities. International Journal of Sustainable Transportation, 4(4), 212-226.

Cairns, S., Sloman, L., Newson, C., Anable, J., Kirkbride, A., Goodwin, P. (2008). Smarter choices: Assessing the potential to achieve traffic reduction using 'Soft measures'. Transport Reviews, 28(5), 593-618.

Iseki, H., Taylor, B.D. (2009). Not all transfers are created equal: Towards a framework relating transfer connectivity to travel behaviour. Transport Reviews, 29(6), 777-800.

Werner, C., Brown, B., & Gallimore, J. (2009). Light rail use is more likely on walkable blocks: Further support for using micro-level environmental audit measures. Journal of Environmental Psychology, XX(X) (available online), 1-9.

Dill, J. (2008). Transit use at transit-oriented developments in Portland, Oregon, area. Transportation Research Record, (2063), pp. 159-167.