HELBRECHT, Ilse; GEILENKEUSER, Tim. Demographic Change, Generation Effects and Housing Markets: Homeownership as Pension?. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 70, n. 5, p. 425–436, 2012. DOI: 10.1007/s13147-012-0185-8. Disponível em: https://rur.oekom.de/index.php/rur/article/view/772. Acesso em: 15 aug. 2026.