1. International Energy Agency, World Energy Outlook 2002, OECD/IEA 2002.
2. Frost & Sullivan, Elektrowatt-Ekono, Market opportunities for distributed generation applications, Report for Tekes, 2002.
3. Densy folder at www.tekes.fi/programmes/densy, by 31.12.2004.
4. Off-design simulation and mathematical modeling of small-scale CHP plants at part loads;Savola;Applied Thermal Engineering,2005
5. Improving the power-to-heat ratio in CHP plants by means of a biofuel multistage drying system;Spets;Applied Thermal Engineering,2002