- Per Capita Reserves of Copper Ore in World and by Country in 1996Jan 15, 1997
- Reserves of Copper in China in 1996Jan 15, 1997
- Reserves of Copper Ore in World and by Country in 1996Jan 15, 1997
- Reserves of Copper in the World in 1996Jan 15, 1997
- Reserves of Copper in the World in 1995Jan 15, 1996
- Reserves of Copper Ore in World and by Country in 1995Jan 15, 1996
- Reserves of Copper in China in 1995Jan 15, 1996
- Per Capita Reserves of Copper Ore in World and by Country in 1995Jan 15, 1996