Wasielewski, Ryszard, and Krzysztof Głód. “Emission Results of Combustion Process of Fatty Acids Distillation Residue in an Oil Boiler – Comparison to Heavy Fuel Oil”. Scientific Review Engineering and Environmental Sciences (SREES) 29, no. 1 (March 30, 2020): 62–71. Accessed April 4, 2025. https://srees.sggw.edu.pl/article/view/1850.