Г. Ю. Бахарєва, О. В. Шестопалов, О. М. Філенко, and Т. С. Тихомирова, “Development of a mathematical model of the process of biological treatment of gasous effluents from formaldehyde”, EEJET, vol. 1, no. 10(79), pp. 4–10, Feb. 2016.