SPECKMANN, Hermann. Schnittstelle Mensch-Maschine. agricultural engineering.eu, [S. l.], v. 54, n. 1, p. 24–25, 1999. DOI: 10.15150/lt.1999.2330. Disponível em: http://195.37.233.21/landtechnik/article/view/1999-54-1-024-025. Acesso em: 16 nov. 2024.