Steam generation unit in a simple version of biomass based small cogeneration unitKrzysztof Sornek, Mariusz Filipowicz, Mateusz Szubel, Estera Bożek and Krzysztof IzdebskiMATEC Web of Conferences, 18 (2014) 01010DOI: https://doi.org/10.1051/matecconf/20141801010