1. Canvassing, turnout and party support;Bochel;British Journal of Political Science,1971
2. Appendix 2: The results analysed;Curtice,1992
3. Measuring the intensity and effectiveness of constituency campaigning in the 1992 election;Denver,1993
4. A New Social Atlas of Britain;Dorling,1995
5. Population, Density, Change and Concentration in Great Britain 1971, 1981 and 1991;Dorling,1995