Z. . DAKOS, D. . KUPKA, M. . KOVAŘÍK, K. . JABLONOVSKÁ, V. . KRIŠTÚFEK, and M. . ACHIMOVIČOVÁ, “Secondary Iron Minerals Present in AMD Sediments from Smolník Abandoned Mine”, Nova Biotechnol. Chim., vol. 11, no. 2, pp. 87–92, Dec. 2012.