KÁČEROVÁ, M.; ONDAČKOVÁ, J. The process of population ageing in countries of the Visegrad Group (V4). ERDKUNDE, [S. l.], v. 69, n. 1, p. 49–68, 2015. DOI: 10.3112/erdkunde.2015.01.04. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2760. Acesso em: 30 apr. 2025.