IDLER, Christine; EHLERT, Detlef. Ernte und Konservierung von Hanf. agricultural engineering.eu, [S. l.], v. 54, n. 1, p. 30–31, 1999. DOI: 10.15150/lt.1999.2333. Disponível em: http://195.37.233.21/landtechnik/article/view/1999-54-1-030-031. Acesso em: 16 nov. 2024.