LÖBBERT, Markus. Landschaftspflege. agricultural engineering.eu, [S. l.], v. 56, n. SH1, p. 234–236, 2001. DOI: 10.15150/lt.2001.2149. Disponível em: http://195.37.233.11/landtechnik/article/view/2001-56-SH1-234-236. Acesso em: 6 mai. 2024.