Melnyk V. М., F. V. Kozak, Hnyp М. М., and D. V. Lisafin. 2021. “Efficiency of Hydrogen Use in Mixtures With Compressed Natural Gas on Car Engines”. Oil and Gas Power Engineering, no. 2(36) (December):106-19. https://doi.org/10.31471/1993-9868-2021-2(36)-98-105.