Kondakova Я. А., Navrotskiy О. Д., and Ivanov И. Ю. “Foaming Agent for Extinguishing Water-Soluble Combustible Liquids”. Journal of Civil Protection, vol. 6, no. 2, May 2022, pp. 211-8, doi:10.33408/2519-237X.2022.6-2.211.