Thor Andersen, Hans. “Handbook of Regional and Urban Economics. (Handbooks in Economics, 7.) Vol L: Regional Economics. Ed. by Peter Nijkamp. Vol 2: Urban Economics. Ed. By Edwin S. Mills”. Geografisk Tidsskrift - Danish Journal of Geography, vol. 89, Jan. 1989, https://tidsskrift.dk/geografisktidsskrift/article/view/44650.