1. Geographic information systems: A guide to the technology;Antenucci,1991
2. TIGER: The coast-to-coast digital map data base;Bureau of the Census,1990
3. Segmentation of the transit market;Dawson;Transportation Quarterly,1983
4. How to redesign transit routes and schedules in response to changing ridership trends in smaller systems;Derbonne,1978
5. Digitizing bus routes using textual route descriptions and TIGER/Line data;Grayson,1991