6Wolfgang Christl Ruhrgebiet vs 7.0 -from KohlenPOTT via EmscherPARK to RuhrSTADT. Regeneration Conference Southampton, 3rd April 2003.
7Hans van der Cammen. Four Metropolises in Western Europe ( Development and urban planning of London, Paris, Randstad Holland and the Ruhr region. Van Gorcum, Assert/Maastricht. The Netherlands, 1988.
8Project Ruhr. Master Plan Emscher Landshaftspark 2010. Klartext,2005.
9Robert Shaw. The international building exhibition (IBA) Emscher park, Germany: a model for sustainable restructuring. European Planning studies, Vol.10, 2002.
10Ingerid Helsing Almaas. Regenerating the Ruhr - IBA Emscher Park project for the regeneration of Germany's Ruhr region. Architectural Review The. Feb 1999.