KRENTLER, Jan-Gerd. Zur Dichtheit von Güllelagerbehältern. agricultural engineering.eu, [S. l.], v. 57, n. 5, p. 290–291, 2002. DOI: 10.15150/lt.2002.1667. Disponível em: http://195.37.233.11/landtechnik/article/view/2002-57-5-290-291. Acesso em: 8 mai. 2024.