1. Renewables 2019 Global Status Report,2019
2. Wood fuels in energy generation in Finland,2020
3. More district heat was produced with renewable fuels than with fossil fuels for the first time in 2019,2020
4. Kraft Recovery Boilers–Principles and Practice;Vakkilainen,2005
5. Mixing of multiple jets with a confined subsonic crossflow;Holdeman;Prog. Energy Combust. Sci.,1993