GANZELMEIER, Heinz. Trends der Pflanzenschutztechnik im Ackerbau. agricultural engineering.eu, [S. l.], v. 62, n. 6, p. 384–385, 2007. DOI: 10.15150/lt.2007.1018. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2007-62-6-384-385. Acesso em: 25 apr. 2024.