BEAUCAMP, Guy. Sustainability in German town and country planning law. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 60, n. 3-4, p. 232–238, 2002. DOI: 10.1007/BF03183056. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1601.. Acesso em: 7 may. 2024.