Loik, V., Lazarenko, O., Bojko, T. and Vovk, S. 2017. Research into non-stationary temperature field in the protected metallic structure under conditions of fire. Eastern-European Journal of Enterprise Technologies. 5, 5 (89) (Oct. 2017), 11–20. DOI:https://doi.org/10.15587/1729-4061.2017.112370.