OBERLÄNDER, Dieter. Gedanken zur Energieversorgung. agricultural engineering.eu, [S. l.], v. 61, n. SH, p. 322–323, 2006. DOI: 10.15150/lt.2006.2053. Disponível em: http://195.37.233.11/landtechnik/article/view/2006-61-SH-322-323. Acesso em: 19 mai. 2024.