1. The value of time spent travelling - Some new evidence;Beesley;Economica,1965
2. Measuring elasticities of air travel from new cross-sectional data;Brown;Civil Aeronautics Board Staff Paper,1971
3. Characteristics of passenger car travel on toll roads and comparable free roads;Claffey;Highway Research Bulletin,1961
4. The revealed value of time in air travel;De Vany;Review of Economics and Statistics,1974
5. The road research laboratory's investment criteria examined;Glassborough;Bulletin of the Oxford Institute of Statistics,1974