AMSTUTZ, G. C. Observational criteria for the classification of the Mississippi Valley-Bleiberg-Silesia type of deposits. Geologija, [S. l.], v. 15, n. 1, p. 207–215, 1972. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/1608. Acesso em: 29 apr. 2024.