SOURELL, Heinz; SCHMITZ, Martin. Bewässerungssteuerung. agricultural-engineering.eu, [S. l.], v. 53, n. 2, p. 74–75, 1998. DOI: 10.15150/lt.1998.2432. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1998-53-2-074-075. Acesso em: 28 märz. 2024.