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: https://www.agricultural-engineering.eu/landtechnik/article/view/2002-57-5-290-291. Acesso em: 29 märz. 2024.