1. Leaching of lead sulfate in sodium-carbonate solution;Arai;Hydrometallurgy,1984
2. The direct conversion of celestite to strontium carbonate in sodium carbonate aqueous media;Castillejos;Hydrometallurgy,1996
3. Conversion Process for Strontium Sulfate in Carbonate Rich Celestite Ores to Strontium Carbonate Using Sodium Carbonate in an Air Vapor-Lift Loop Reactor;Castillejos,2000
4. Preparation of Strontium Carbonate;Chiang,1983
5. Method for Recovery and Conversion of Strontium Sulfate to Strontium Carbonate from Low and Medium Grade Celestite Ores;De Buda,1987