Kryshtopa, S., M. Panchuk, B. Dolishnii, L. Kryshtopa, M. Hnyp, and O. Skalatska. “Research into Emissions of Nitrogen Oxides When Converting the Diesel Engines to Alternative Fuels”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 10 (91), Feb. 2018, pp. 16-22, doi:10.15587/1729-4061.2018.124045.