LÜTKEMEIER, Harald. Instrumentarien zur Planung im ländlichen Raum. agricultural engineering.eu, [S. l.], v. 53, n. 5, p. 328–329, 1998. DOI: 10.15150/lt.1998.2389. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1998-53-5-328-329. Acesso em: 18 apr. 2024.