1. The Obrochishte manganese deposit;Aleksiev,1974
2. Manganese occurrences in the Itacaiunas River Basin, southern Amazon region, Brazil;Anderson,1974
3. The facies and genesis of sedimentary manganese ores in Georgia, USSR;Avaliani,1980
4. Oolitic films on low energy carbonate sand grains, Bimini Lagoon, Bahamas;Bathurst;Marine Geology,1967
5. Carbonate Sediments and their Diagenesis;Bathurst,1975