1. World Urbanization Prospects: the 2011 Revision;United Nations Secretariat, Population Division, Department of Economic and Social Affairs,2012
2. World Energy Outlook 2010;IEA,2010
3. The role of spatial metrics in the analysis and modeling of urban land use change;Herold;Comput. Environ. Urban Syst.,2005
4. INDICATE - Indicator-based Interactive Decision Support and Information Exchange Platform for Smart Cities, http://indicate-smartcities.eu [accessed February 2014], (2014).
5. Europe's buildings under the microscope - A country-by-country review of the energy performance of buildings;BPIE,2011