LOIBL, Bernhard; STRÖBEL, Markus. Neues Messsystem zur Bestimmung des Pflanzenabstandes in der Saatreihe. agricultural engineering.eu, [S. l.], v. 60, n. 4, p. 202–203, 2005. DOI: 10.15150/lt.2005.1212. Disponível em: http://195.37.233.11/landtechnik/article/view/2005-60-4-202-203. Acesso em: 5 mai. 2024.