1. Ceлин Ю.И. Cтpaтигpaфия и мoллюcки oлигoцeнa Бoльшe-Toкмaкcкoгo мapгaнцeвo-pуднoгo paйoнa. M.: Heдpa, 1984. 240 c.
2. Geochemistry and mineralogy of tephroite bearing rocks from the Hoskins manganese mine, New South Wales, Australia;Ashley;Neues Jb. Mineral. Abh.,1989
3. New evidence for thrust faulting in Griqualand West, South Africa: implications for stratigraphy and age of red beds;Beukes;Trans. Geol. Soc. S. Afr.,1987
4. 3D modeling and mathematical-statistical study of the manganese deposits, Urkut (W-Hungary);Biro,2009
5. Petrography and origin of inversely graded manganese pisolite from Groote Eylandt, Australia;Bolton;Ore Geol. Rev.,1988