Phosphorus in siliceous manganese ores of Nishikhal, Orissa

od Acharya, B. C., Acharya, B. C.
Izdano 1994

Geology, geochemistry and genesis of the freshwater, Precambrian manganese deposit of the iron ore group from Noamundi basin, Eastern India

od Dasgupta, H. C., Dasgupta, H. C.
Izdano 1999