27 Geddes, P. (1949) Cities in Evolution, London: Williams and
Norgate.
28 Hudson, B.M. (1979) Comparison of current planning
theories: Counterparts and contradictions, Journal of the
American Planning Association, Vol. 45, pp. 387–398.
29 Ibid.
30 Davidoff, P. (1973) Advocacy and pluralism in planning, in
A Reader in Planning Theory, ed. A. Faludi, Oxford:
Pergamon Press, pp. 139–149.
31 Naess, P. (1994) Normative planning theory and sustainable
development,Scandinavian Housing and Planning
Research, Vol. 11, pp. 145–167.
32 Ibid.
33 Ibid.
34 Ibid.DEFINITIONS