ROKAVEC, D. Geological explorations of clay deposit near Pragersko and clay quality tests . Geologija, [S. l.], v. 45, n. 2, p. 537–540, 2002. DOI: 10.5474/geologija.2002.061. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/1679. Acesso em: 28 mar. 2024.