1. The metallurgy of antimony
2. Study of the Antimony Market 2011
3. Report on Critical Raw Materials for the EU 2014 http://ec.europa.eu/enterprise/policies/raw-materials/files/docs/ (Accessed on May 22, 2015)
4. Diantimony Trioxide Specifications http://www.antimony.com/en/detail_diantimony-trioxide_33.aspx (Accessed on May 19, 2015)