M. . Holubčík, J. . Jandačka, and M. . Nicolanská, “The reduction of emission production of small heat-sources for solid-based fuels by applying control mechanisms”, EAI Endorsed Trans Energy Web, vol. 9, no. 37, p. e12, Aug. 2021, doi: 10.4108/eai.18-8-2021.170675.