1. Transferability and updating of disaggregate travel demand models;Atherton;Transpn Res. Rec.,1976
2. The value of time spent in travelling: some new evidence;Beesley;Economica,1965
3. Developments in the valuation of time spent travelling;Beesley,1973
4. Structure of passenger travel demand models;Ben-Akiva,1973
5. Travel demand forecasting: some foundations and a review;Brand,1973