1. Adolphe, V.K. 1953. Cie Geol Et Miniere Des Ingeni. Method of Recovering Lithium Compounds from Lithium Minerals. US patent 2,662,809 (1953 Dec 15).
2. Archambault, M., Macewan, J.U., Olivier, C.A., 1962. Dept of Mines. Method of Producing Lithium Carbonate from Spodumene. US patent 3,017,243 (1962 Jan 16).
3. Archambault, M., Olivier, C.A., 1968. Mini Richesses Nature. Carbonatizing Roast of Lithiumbearing Ores. US patent 3,380,802 (1968 Apr 30).
4. Extraction of lithium from β-spodumene using chlorination roasting with calcium chloride;Barbosa;Thermochim. Acta,2015
5. Lithium extraction from β-spodumene through chlorination with chlorine gas;Barbosa;Min. Eng.,2014