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 89 (January 1, 1989). Accessed December 5, 2025. https://tidsskrift.dk/geografisktidsskrift/article/view/44650.