THIMM, T.; BILD, C.; KALFF, M. Climate change in low mountain ranges: Opportunities in sustainable Black Forest tourism. European Journal of Tourism Research, [S. l.], v. 23, p. 63–70, 2019. DOI: 10.54055/ejtr.v23i.389. Disponível em: https://ejtr.vumk.eu/index.php/about/article/view/389. Acesso em: 20 mar. 2025.