Geletukha, G., T. Zheliezna, and O. Drozdova. “ENERGY AND ECOLOGY ANALYSIS OF BIOENERGY TECHNOLOGIES. PART 2”. Thermophysics and Thermal Power Engineering, Vol. 37, no. 1, Jan. 2018, pp. 53-62, doi:https://doi.org/10.31472/ihe.1.2015.07.