SPIRCHEZ, Cosmin; LUNGULEASA, Aurel. Torrefaction of Spruce, Beech, and Oak Pellets in Order to Improve Calorific Value. BioResources, [S. l.], v. 17, n. 4, p. 6804–6817, 2022. Disponível em: https://ojs.bioresources.com/index.php/BRJ/article/view/22128. Acesso em: 23 oct. 2025.