Michopoulos, A., Skoulou, V., Voulgari, V., Tsikaloudaki, A., & Kyriakis, N. A. (2014). The exploitation of biomass for building space heating in Greece: Energy, environmental and economic considerations. Energy conversion and management, 78, 276-285. https://doi.org/10.1016/j.enconman.2013.10.055