DIEDRICH, Frank. Europäische Abgasgesetzgebung. agricultural engineering.eu, [S. l.], v. 62, n. 6, p. 418–420, 2007. DOI: 10.15150/lt.2007.1035. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2007-62-6-418-420. Acesso em: 23 apr. 2024.