HOFFMANN, Manfred. Entwicklungsstand der Trockenfermentation. agricultural engineering.eu, [S. l.], v. 62, n. 1, p. 12–13, 2007. DOI: 10.15150/lt.2007.918. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2007-62-1-012-013. Acesso em: 3 mai. 2024.