BREER, Dirk; BÜSCHER, Wolfgang. Aktivitätsmessung bei Kälbern. agricultural-engineering.eu, [S. l.], v. 61, n. 5, p. 274–275, 2006. DOI: 10.15150/lt.2006.1126. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2006-61-5-274-275. Acesso em: 15 apr. 2024.