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**Citation:** Wołowicz, M.; Kolasi ´nski, P.; Badyda, K. Modern Small and Microcogeneration Systems—A Review. *Energies* **2021**, *14*, 785. https://doi.org/10.3390/en14030785

Received: 20 December 2020 Accepted: 20 January 2021 Published: 2 February 2021

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