1. Urban Goods Movement: A Guide to Policy and Planning;Ogden,1992
2. Preliminary Insights into the Practical Implications of Modeling Commercial Vehicle Empty Trips;Holguín-Veras,2002
3. U.S. Census Bureau, Vehicle Inventory and Use Survey, 2004.
4. A. Strauss-Wieder, K. Kang, and M. Yokei, The Truck Commodity Survey in the New York-New Jersey Metropolitan Area,“ in Good Transportation in Urban Areas, Proceedings of the 5th Conference, Santa Barbara, CA, 1989, pp. 83-94.
5. Modeling Commercial Vehicle Empty Trips with a First Order Trip Chain Model;Holguín-Veras;Transp. Res. Part B,2003