British Travel Association, University of Keele ( 1967) First Pilot National Recreation Survey, Report No. 1.
2.
Clawson, M. (1959) Methods of Measuring the Demand for and the Value of Outdoor Recreation, Washington, D.C.: Resources for the Future. Reprint No. 10.
3.
Clawson, M. and Knetsch, J.L. (1966) The Economics of Outdoor Recreation, Washington, D.C.: Resources for the Future.
4.
Common, M.S. (1973) A note on the use of the Clawson Method for the evaluation of recreational site benefits, Regional Studies , Vol. 7, 401-406.
Goldberger, A.S. (1964) Econometric Theory, New York : John Wiley.
7.
Gordon, I.R. and Edwards, S.L. (1973) Holiday Trip Generation, Journal of Transport Economics and Policy, 7, 153-168.
8.
Kutter, E. (1973) A model for individual travel behaviour, UrbanStudies, Vol. 10, 235-258.
9.
Lewis R.C. and Whitby, M.C. (1972) Recreation Benefits from a Reservoir, University of Newcastleupon-Tyne, Agricultural Adjustment Unit, Research Monograph No. 2.
10.
Mansfield, N.W. (1969), Recreational trip generation-A cross section analysis of weekend pleasure trips to the Lake District National Park, Journal of Transport Economics and Policy, Vol. 3, 152-164.
11.
Mansfield, N.W. (1971) The estimation of benefits from recreation sites and the provision of a new recreation facility, Regional Studies , Vol. 5, 55-69.
12.
Panel of Inquiry into the Greater London Development Plan (1973) Report, 2 vols. London: H.M.S.O.
13.
Robinson, R.V.F., Hebden, J.J. and Vickerman, R.W. (1974) Methodological Problems in the study of Shopping Travel, Retailing and Local Planning Seminar, P.T.R.C. Annual Meeting, July.
14.
Sillitoe, K.K. (1969) Planning for Leisure, Government Social Survey Report ISS388, London: H.M.S.O.
15.
Smith, R.J. (1970) The Evaluation of Recreation Benefits: Some Problems of the Clawson Method. University of Birmingham, Faculty of Commerce and Social Science, Discussion Paper B18.
16.
Smith, R.J. (1971) The evaluation of recreation benefits: The Clawson Method in practice, UrbanStudies, Vol. 8, 89-102.
17.
Vickerman, R.W. (1972a) The demand for non-work travel, Journal of Transport Economics and Policy, Vol. 6, 176-210.
18.
Vickerman, R.W. (1972b) The Demand for Shopping and Leisure Travel, unpublished D.Phil thesis, University of Sussex, Brighton.
19.
Vickerman, R.W. (1974) A demand model for leisure travel, Environment and Planning, Vol. 6, 65-77.
20.
Vickerman, R.W. and Collings, J.J. (1973) An alternative approach to forecasting the demand for leisure travel. Paper presented to International Conference on Transportation Research, Bruges, Belgium, June.