PRIEBS, Axel; WEHRHAHN, Rainer. City-regional cooperation in smaller metropolitan areas. Transdisciplinary research on strategy development in the city region of Kiel (Germany). DIE ERDE – Journal of the Geographical Society of Berlin, [S. l.], v. 154, n. 1-2, p. 62–68, 2023. DOI: 10.12854/erde-2023-666. Disponível em: https://die-erde.de/index.php/die-erde/article/view/666. Acesso em: 21 jul. 2024.