BERNDT, C. Institutionen, Regulation und Geographie. ERDKUNDE, [S. l.], v. 53, n. 4, p. 302–316, 1999. DOI: 10.3112/erdkunde.1999.04.02. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2407. Acesso em: 21 may. 2025.