EHLERT, Detlef; JÜRSCHIK, Peter; OTTER-NACKE, Susanne. CROP-Meter mit technischen Verbesserungen. agricultural-engineering.eu, [S. l.], v. 63, n. 1, p. 26–27, 2008. DOI: 10.15150/lt.2008.764. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2008-63-1-026-027. Acesso em: 29 märz. 2024.