Labeckas, Gvidonas, and Stasys Slavinskas. “The Influence of Fuel Additives SO-2E on Diesel Engine Exhaust Emission”. Transport 18, no. 5 (October 31, 2003): 202-208. Accessed July 6, 2024. https://aviation.vgtu.lt/index.php/Transport/article/view/8636.