PŁACHTA, Olaf. Analysis of the rail network between the towns of provincial and spa towns in Polish. Rozwój Regionalny i Polityka Regionalna, [S. l.], n. 20, p. 37–52, 2018. Disponível em: https://pressto.amu.edu.pl/index.php/rrpr/article/view/13824. Acesso em: 18 may. 2024.