RECKLEBEN, Yves; ISENSEE, Edmund. Vergleich von Sensorsystemen für die N-Düngung. agricultural engineering.eu, [S. l.], v. 60, n. 3, p. 138–139, 2005. DOI: 10.15150/lt.2005.1189. Disponível em: http://195.37.233.21/landtechnik/article/view/2005-60-3-138-139. Acesso em: 16 nov. 2024.