1. Western Midlands rural travel survey methodological report;Berthoud,1972
2. Building linear predictive models for urban planning;Colenutt;Regional Studies,1968
3. Trip generation techniques;Douglas;Traff. Engng. Control,1971
4. Home-based trip end models—A comparison between category analysis and regression analysis procedures;Douglas;Transportation,1973
5. A new test for heteroscedasticity;Glejser;J. Am. Statist. Ass.,1969