Bates, J.J., Gunn, H. and Roberts, M. (1978). A Disaggregate Model of Household Car Ownership . London: Dept. of the Environment /Dept. of Transport, Research Report 20.
2.
Department Of Transport (1978). Report of the Advisory Committee on Trunk Road Assessment. London: H.M.S.O.
3.
Fairhurst, M.H. (1975). The influence of public transport on car ownership in London. Journal of Transport Economics and Policy, Vol. 9: 193-208.
4.
Fowkes, A.S. (1977). Initial investigation of the WYTCONSULT household survey data for illustrating methods of car ownership forecasting. Working Paper 96. University of Leeds, Institute for Transport Studies.
5.
Fowkes, A.S. and Button, K.J. (1977). A survey of techniques of car ownership forecasting . Working Paper 92. University of Leeds, Institute for Transport Studies.
6.
Fowkes, A.S., Pearman, A.D. and Button, K.J. (1978). The sensitivity of car ownership of households in West Yorkshire to household accessibility. In P.T.R.C.; Transportation Models, pp. 20-31. London : P.T.R.C.
7.
Sen, A. and Johnson, C. (1977). A simple method for analysis of travel data. Transportation Research, Vol. 11: 189-196.
8.
Tukey, J.W. (1977). Exploratory Data Analysis. Reading, Mass.: Addison Wesley.