1. Directive 2004/08/EC of the European parliament and of the council. Official Journal of the European Union 21.2.2004. p. 50–60.
2. Bianchi M et al. 2009. Le tecnologie innovative ed efficienti nei sistemi di generazione in assetto co-trigenerativo e nei sistemi integrati con unità a pompa di calore nelle applicazioni industriali e del terziario, Report RSE/2009/18 (in Italian). .
3. Mago PJ et al. Modeling of micro-cooling, heating, and power (micro-CHP) for residential or small commercial building applications. ASME IMECE2006-13558; 2006.
4. Management of low voltage grids with high penetration of distributed generation: concepts, implementations and experiments;Bertani;Proc CIGRE, Paris,2006
5. Impact of micro-CHP systems on domestic sector CO2 emissions;Peacock;Appl Therm Eng,2005