Dzenajaviciene, E. F., and V. Sidlauskas. “INFO SYSTEM FOR ANALYSIS OF TECHNICAL AND ECONOMIC DEVELOPMENT OF THE USE OF WOOD FUEL”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 26, 2006): 73–78. Accessed May 3, 2024. https://journals.rta.lv/index.php/ETR/article/view/1983.