BAEY-ERNSTEN, Heinrich de; FUCHS, Clemens. Bundeswettbewerb 2002. agricultural engineering.eu, [S. l.], v. 58, n. 2, p. 72–73, 2003. DOI: 10.15150/lt.2003.1395. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2003-58-2-072-073. Acesso em: 3 mai. 2024.