1. Ministry of Housing, Spatial Planning and Environmental Affairs (VROM), “Een Wereld en een Wil. Werken aan Duurzaamheid”, Fourth Environmental Policy Plan, The Hague, 2001.
2. Ministry of Economic Affairs (EZ), Now for Later. Energy Report 2005, The Hague, 2005.
3. The ongoing energy transition: lessons from a socio-technical, multi-level analysis of the Dutch electricity system (1960–2004);Verbong;Energy Policy,2007
4. The Economist, The dawn of micro power, Aug 3rd 2000, reprint from Economist.com.
5. The Economist, Building the Energy Internet, March 11, 2004, reprint from Economist.com.