BRUHN, Lna. Reparaturkosten von Traktoren. agricultural engineering.eu, [S. l.], v. 54, n. 3, p. 166–167, 1999. DOI: 10.15150/lt.1999.2261. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1999-54-3-166-167. Acesso em: 29 apr. 2024.