FELLER, Bernhard. Optimierung der konventionellen Sauenhaltung. agricultural engineering.eu, [S. l.], v. 55, n. 3, p. 246–247, 2000. DOI: 10.15150/lt.2000.1897. Disponível em: http://195.37.233.11/landtechnik/article/view/2000-55-3-246-247. Acesso em: 29 apr. 2024.