HAMMES, Stephan; KRÜGER, Jan; MEYER, Henning J. Semi-aktives Federungssystem für hydropneumatisch vollgefederte Traktoren. agricultural engineering.eu, [S. l.], v. 66, n. 5, p. 377–380, 2011. DOI: 10.15150/lt.2011.897. Disponível em: http://195.37.233.21/landtechnik/article/view/2011-66-5-377-380. Acesso em: 16 nov. 2024.