1. Amouzegar, K., Amant, G.S., Harrison, S., 2000. Process for the purification of lithium carbonate. U.S Patent, 6 048 507. Assigned to Limtech, Cape Rouge, Canada.
2. A review of extractive process for lithium from ores and brines;Averill;Energy,1977
3. New concept for lithium minerals processing;Brandt;Miner. Eng.,2010
4. The geology of some ore deposits in Southern Africa, the geology of the Bikita pegmatite;Cooper,1964
5. Recycling of lithium from borogypsum by leaching with water and leaching kinetics;Demirbaş;Resour. Conserv. Recycl.,1998