USENKO, O. Conditions of formation of ferruginous rocks of the Middle Bug area. Geofizicheskiy Zhurnal, [S. l.], v. 37, n. 4, p. 32–50, 2015. DOI: 10.24028/gzh.0203-3100.v37i4.2015.111122. Disponível em: http://journals.uran.ua/geofizicheskiy/article/view/111122. Acesso em: 7 oct. 2022.