“Flame Propagation Regimes at Combustion of Lean Hydrogen-Air Mixtures in the Presence of Additives at Central Spark Initiation at Atmospheric Pressure”. Global Journal of Science Frontier Research 14, no. B2 (May 28, 2014): 19–29. Accessed August 13, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/1119.