WASET
    Michal Spilacek and  Marian Brazdil and  Otakar Stelcl and  Jiri Pospisil,  Cogeneration Unit for Small Stove.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10000967.