1. ASHRAE Handbook HVAC Systems and Equipment. USA: ASHRAE, Inc; 2000.
2. Orlando JA. Cogeneration design guide. USA: ASHRAE, Inc; 1996.
3. Frangopoulos CA. EDUCOGEN, The European educational tools on cogeneration. European Commission. December 2001.
4. Small-scale cogeneration, why? In which case? A guide for decision makers. European Commission, Directorate General for Energy DGXVII; July; 1999.
5. Major, G. Small scale cogeneration. The Netherlands: Centre for the Analysis and Dissemination of Demonstrated Energy Technologies. CADDET Energy Efficiency Analysis Series 1. IEA/OECD; 1995.