1. [1] Directive 2009/28/EC. Promotion of the use of energy from renewable resources. 2009.
2. [2] Strategy for energy development of Republic of Croatia. Official Gazette (NN 130/09) 2009. (in Croatian)
3. [3] HROTE. Data from the system of incentives measures for renewable energy sources. May 2017, http://files.hrote.hr/files/PDF/OIEIK/Arhiva/Mjesecni_izvjestaj_03_2017.pdf (15/6/2017) (in Croatian)
4. [4] Van Loo, S. and Koppejan, J. The Handbook of Biomass Combustion and Co - firing, Earthscan, London, 2008.
5. [5] Strizivojna Hrast - cogeneration. http://www.strizivojna-hrast.hr/en/cogeneration (28/05/2017).