1. Altshuler AA (1974) The city planning process: a political analysis. Cornell University Press, Ithaca, p 84
2. Batty M (1979) On planning process. In: Goodall B, Kirby A (eds) Resources and planning. Pergamon Press, New York, pp 17–45
3. Berry BJL (1972) Cities as systems within system of cities. In: Davies WKD (ed) The conceptual revolution in geography. University of London Press, London, pp 173–176
4. Cadwallader MT (1985) Analytical urban geography: spatial patterns and theories. Prentice Hall, Englewood Cliffs, p 265
5. Carter H (1981) The study of urban geography, 3rd edn. Arnold Heinemann, New Delhi, pp 142–187