Efficiencies and pollutant emissions from forced-draft biomass-pellet semi-gasifier stoves: Comparison of International and Chinese water boiling test protocols - Chen, Yuanchen; Shen, Guofeng; Su, Shu; Wei Du; Huangfu, Yibo; Liu, Guangqing; Wang, Xilong; Xing, Baoshan; Smith, Kirk R.; Tao, Shu (Energy for Sustainable Development, 2016)