Dolinskyi, A., A. Konyk, N. Radchenko, and V. V. Demchenko. “PROBLEMS DURING OPERATION OF HEATING SYSTEMS AND CLEANING AS A WAY OF THEIR DECISION (REVIEW)”. Thermophysics and Thermal Power Engineering, Vol. 41, no. 4, Dec. 2019, pp. 27-34, doi:https://doi.org/10.31472/ttpe.4.2019.4.