DROVENIK, M. Contribution to the knowledge of the igneous rocks of the Timok-eruptive area. Geologija, [S. l.], v. 5, n. 1, p. 11–30, 1959. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/187. Acesso em: 7 may. 2024.