MEYER, Henning J. Landmaschinen als umweltfreundliche Produkte. agricultural engineering.eu, [S. l.], v. 52, n. 4, p. 190–191, 1997. DOI: 10.15150/lt.1997.2611. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1997-52-4-190-191. Acesso em: 19 apr. 2024.