1. Lithium Resources and Production: A Critical Global Assessment;Mohr,2010
2. Handbook of Lithium and Natural Calcium Chloride: Their Deposits, Processing, Uses and Properties;Garrett,2004
3. http://www.nhm.ac.uk/about-us/news/2007/april/news11392.html
4. http://minerals.usgs.gov/minerals/pubs/commodity/myb
5. http://minerals.usgs.gov/minerals/pubs/mcs