Yeromin, A., and A. Kolosov. “Modeling of Energy Efficient Solutions Regarding the Heating System and the Facade Heat Insulation in the Implementation of Thermomodernization”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 8 (91), Feb. 2018, pp. 49-57, doi:10.15587/1729-4061.2018.123021.