1. P. E. Lloyd, and DickenPeter(1972 ), Location in space: A Theoretical Approach to Economic Geography, Chapter 8.
2. Ministry ofEconomicAffairs. (1975 ) Outlines of the Memorandum on Selective Growth (pp.8 -9 ).
3. Ministry ofEconomicAffairs. (1977 ) Report on Regional Social Economic Policy.
4. Ministry ofHousing andPhysicalPlanning(1966 ) The Second Report on Physical Planning in the Netherlands.
5. Ministry ofHousing andPhysicalPlanning. (1976 ) The Report on urbanization in the Netherlands.