Pronobis , M., Kalisz, S., Majcher , J., Wasylów , J., & Sołtys , J. (2020). Possibilities of using biomass in district heating with focus on agricultural biomass as a fuel to replace coal, taking into account economic and technical aspects. Instal, 3, 17-25. https://doi.org/10.36119/15.2020.3.2