4Mayer Brown,Brazilian Mining Sector and Its Potential New Regulatory Framework, http://www.lexology.com/library/detail. aspx?g=8619862d- lb6a-43fd-b724-c036722360a8.
5Brazil Mine Investments To Reach $75 Billion In 2012-2016 Period, http://www.4-traders.com/MMX-MIN ERACAO-E-METALICOS-6499013/news/Brazil-Mine-Investments-To-Reach- $75-Billion-In-2012-2016-Period-14309132/.
6Mining Rights in Brazil http://www.amarillogold.com/ mining-rights-brazil.