1. Cogeneration: a regulatory framework toward growth;Cardona;Energy Policy,2005
2. Manual for determination of combined heat and power (CHP), Ref. No. CWA 45547;CEN Workshop Agreement,2004
3. Resolution on the communication from the Commission to the Council, the European Parliament, the Economic and Social Committee and the Committee of the Regions on a Community strategy to promote combined heat and power (CHP) and to dismantle barriers to its development (COM(97)0514 C4–0596/97).
4. Directive 2004/8/EC of the European Parliament and of the Council of 11 february 2004 on the promotion of cogeneration based on a useful heat demand in the internal energy market and amending directive 92/42/EEC;Off J Eur Union,2004
5. Directive 2012/27/EU of the European Parliament and of the Council of 25 october 2012 on energy efficiency, amending directives 2009/125/EC and 2010/30/EU and repealing directives 2004/8/EC and 2006/32/EC;Off J Eur Union,14112012