KOLTAI, Tomaž. On the 90th anniversary of the birth of Ludvik Olas. Journal for Geography, [S. l.], v. 15, n. 1, p. 11–24, 2020. DOI: 10.18690/rg.15.1.3621. Disponível em: https://old.journals.um.si/index.php/geography/article/view/3621. Acesso em: 8 nov. 2025.