1. GOST 12.1.044-89, Moscow: Standartinform, 2006.
2. GOST 12.1.044-2018, Moscow: Standartinform, 2018.
3. ASTM E1232-07 (2019), Standard Test Method for Temperature Limit of Flammability of Chemicals, West Conshohocken: ASTM International, 2019.
4. BS EN 13237:2012, Potentially Explosive Atmospheres – Terms and Definitions for Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres, London: BSI, 2010.
5. Alexeev, K.S., PhD Dissertation, Ufa, 2016.