Atmospheric Carbon Dioxide and the Global Carbon CycleU S Department of Energy, John R TrabalkaHäftad, 2005649 kr
Wind Energy Information GuideNational Renewable Energy Laboratory, U S Department of EnergyHäftad, 2005289 kr
Hot Water from the SunThe Franklin Research Center, Dept of Housing and Urban Development, U S Department of EnergyHäftad, 2005219 kr
Manual for the Economic Evaluation of Energy Efficiency and Renewable Energy TechnologiesNational Renewable Energy Laboratory, U S Department of Energy, Et AlHäftad, 2005669 kr