Erős , Veronika, and Tamás Biró. “Renewable Energy Resources in Hungary – Solid Biomass Utilization in Terms of Necessity and Opportunity”. Applied Studies in Agribusiness and Commerce 4, no. 3-4 (October 30, 2010): 75–78. Accessed May 3, 2024. https://ojs.lib.unideb.hu/apstract/article/view/7644.