BOESLER, K.-A. The impact of the federal system on regional developments. Erstes amerikanisch-deutsches Seminar vom 29.9.1979 - 13.10.1979. ERDKUNDE, [S. l.], v. 34, n. 1, p. 74–75, 1980. DOI: 10.3112/erdkunde.1980.01.10. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1902. Acesso em: 4 dec. 2024.