BEUCHE, Horst; HELLEBRAND, Hans Jürgen. Positionsgenauigkeit und Verfügbarkeit verbessern. agricultural engineering.eu, [S. l.], v. 53, n. 3, p. 140–141, 1998. DOI: 10.15150/lt.1998.2416. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1998-53-3-140-141. Acesso em: 3 mai. 2024.