AUER, Peter. Processes of horizontal and vertical convergence in present day Germany. Målbryting, Tromsø, Norway, n. 4, p. 9–26, 2000. DOI: 10.7557/17.4731. Disponível em: https://septentrio.uit.no/index.php/malbryting/article/view/4731. Acesso em: 23 apr. 2026.