SCHÜTTEMEYER, A.; FÖBKER, S.; RAMATSCHI, G.; GROTZ, R. Elderly people on the road: an approach to a more sustainable leisure mobility. ERDKUNDE, [S. l.], v. 58, n. 1, p. 17–30, 2004. DOI: 10.3112/erdkunde.2004.01.02. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2516. Acesso em: 30 apr. 2025.