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, vol. 1, June 2006, pp. 73-78, https://doi.org/10.17770/etr2003vol1.1983.