Agar D.A., Rudolfsson M., Lavergne S., Melkior T., Da Silva Perez D., Dupont C., Campargue M., Kalén G., Larsson S.H. Pelleting torrefied biomass at pilot-scale – Quality and implications for co-firing. 2021. Renewable Energy. 178. 766-774. 10.1016/j.renene.2021.06.094.