KUREK, Włodzimierz. The Development of Tourism and its Influence on the Natural Environment of the Alps. Turyzm/Tourism, [S. l.], v. 9, n. 1, p. 161–172, 1999. DOI: 10.18778/0867-5856.9.1.09. Disponível em: https://www.czasopisma.uni.lodz.pl/tourism/article/view/10300. Acesso em: 5 dec. 2025.