1. ASHRAE, Fundamentals Handbook, 2001.
2. Energías Renovables 4, Ed El Instalador, 2003 (in Spanish).
3. IDAE “El IDAE y la cogeneración”, 1999 (in Spanish).
4. Manual for Calculating CHP Electricity, EUROHEAT & POWER, http://www.euroheat.org.
5. Manual for Calculating CHP Electricity and Heat, Protermo, www.protermo.fi.