BREZNIK, M.; ŽLEBNIK, L. Geologic conditions along the Drava river between Maribor and Ptuj with special regard to the construction of water power plants. Geologija, [S. l.], v. 7, n. 1, p. 151–176, 1961. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/1577. Acesso em: 27 apr. 2024.