WARTENBERG, Gerhard; HEISIG, Michael. Erkennen von Feldverunkrautungen durch Luftbildtechnik. agricultural engineering.eu, [S. l.], v. 52, n. 1, p. 14–15, 1997. DOI: 10.15150/lt.1997.2574. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1997-52-1-014-015. Acesso em: 4 mai. 2024.