主要參考資料:
1. USGS, Minerals Yearbook ,2000,2001,2002,2003,2004,2005,2006
2. Fraser Institute Annual Survey of Mining Companies,2005/2006,2006/2007
3.吳太平,秘魯,發(fā)展中國(guó)家礦業(yè)投資環(huán)境,1997年
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