BECK, Jürgen; PUTZ, Bernhard; GUTHEISS, Dietmar. Ferkelaufzucht in getrennten Klimabereichen. agricultural engineering.eu, [S. l.], v. 52, n. 1, p. 38–39, 1997. DOI: 10.15150/lt.1997.2583. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1997-52-1-038-039. Acesso em: 18 juni. 2024.