Antal, József, and Gábor Grasseli. “The Possibilities of Biomass Utilization in the Field of Spatial Development”. Acta Agraria Debreceniensis, no. 26 (July 16, 2007): 59–63. Accessed April 28, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3057.