PARYSEK, J. J.; MIERZEJEWSKA, L. Trajectories of the demographic development of Poland after 1989. Bulletin of Geography. Socio-economic Series, [S. l.], n. 17, p. 109–115, 2012. DOI: 10.1515/v10089-012-0011-7. Disponível em: https://apcz.umk.pl/BGSS/article/view/v10089-012-0011-7. Acesso em: 5 dec. 2021.