1. Estimation of the quality of energy sources and uses;Patterson;Energy Policy,1983
2. Low energy, low emissions: SO2, NOx and CO2 in Western Europe;Alcamo,1990
3. Comparative evaluation of the impacts of domestic gas and electric heat pump heating on air pollution in California;Ganji,1992
4. Electricity and the environment;Carnevali,1993
5. Comparison of fossil and wood fuels;Hall,1976