1. Bennett, W. ?Cross-Section Studies of the Consumption of Automobiles in the United States,?American Economic Review, September, 1967, pp. 841?850.
2. Blackwell, J.Transport in the Developing Economy of Ireland, Economic and Social Research Institute, Dublin, 1969.
3. Button, K. J. ?A Critical Review of Techniques Used for Forecasting Car Ownership in Discrete Areas,?The Statistician, June 1974, pp. 117?127.
4. Buxton, M. J. and D. G. Rhys: ?The Demand for Car Ownership: A Note,?Scottish Journal of Political Economy, June 1972, pp. 175?181.
5. Department of Local Government,Annual Vehicle Census, Dublin, various issues.