BERNHARDT, Heinz; HECKMANN, Martin. Dokumentationsaufwand in der Mastschweineproduktion. agricultural engineering.eu, [S. l.], v. 63, n. 3, p. 164–165, 2008. DOI: 10.15150/lt.2008.806. Disponível em: http://195.37.233.11/landtechnik/article/view/2008-63-3-164-165. Acesso em: 5 mai. 2024.