ŠERCELJ, A. Paleobotanical examinations and the development of Ljubljana Moor. Geologija, [S. l.], v. 8, n. 1, p. 5–27, 1965. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/202. Acesso em: 5 may. 2024.