1. Sectoral Trends in Global Energy Use and Greenhouse Gas Emissions;Price,2006
2. World Energy Outlook 2004;International Energy Agency,2004
3. DHS, Demographic and Health Surveys STATcompiler, 2008.
4. Living Standards Measurement Survey, World Bank Surveys Clearing House;World Bank,2008
5. Home air conditioning in Europe – how much energy would we use if we became more like American households?;Henderson,2005