KRENTLER, Jan-Gerd; GUTSCH, Alex-W.; WEISS, Dietrich. Güllebehältern aus Stahlbeton. agricultural engineering.eu, [S. l.], v. 56, n. 1, p. 46–47, 2001. DOI: 10.15150/lt.2001.1706. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2001-56-1-046-047. Acesso em: 20 apr. 2024.