Loik, V., O. Lazarenko, T. Bojko, and S. Vovk. “Research into Non-Stationary Temperature Field in the Protected Metallic Structure under Conditions of Fire”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 5 (89), Oct. 2017, pp. 11-20, doi:10.15587/1729-4061.2017.112370.