1Calvino, Italo, Invisible Cities, London: Vintage,1997, p. 44.
2Barthes, Roland,“Semiology and the Urban”, in Gottdiener, M. and Lagepoulous, A. (eds.), The City and the Sign , New York: Columbia University Press, 1986, pp.87 - 98.
3Simmel, Georg,“The Metropolis and Mental Life,”in Frisby, D. and Feathersone M. (eds.), Simmel on Culture: Selected Writings , London: Sage Publications, 1997,pp. 175- 179.
