WOLFF, D.; WALSH, E.; MCDONNELL, K. P. Practical Experience with Woody Biomass in a Down-Draft Gasifier. Journal of Technology Innovations in Renewable Energy, [S. l.], v. 2, n. 1, p. 47–52, 2013. DOI: 10.6000/1929-6002.2013.02.01.6. Disponível em: https://www.lifescienceglobal.com/pms/index.php/jtire/article/view/606. Acesso em: 29 apr. 2024.