ŚRODA-MURAWSKA, Stefania. Large German cities in context of the ageing process at the turn of the 20th century. Bulletin of Geography. Socio-economic Series, [S. l.], n. 6, p. 165–170, 2006. DOI: 10.1515/2458. Disponível em: https://apcz.umk.pl/BGSS/article/view/2458. Acesso em: 8 jul. 2025.