- Reserves of Selenium in Zambia in 2002Jan 15, 2003
- Basic Reserves of Selenium Ore in Zambia in 2002Jan 15, 2003
- Basic Reserves of Selenium Ore in Zambia in 2001Jan 15, 2002
- Reserves of Selenium in Zambia in 2001Jan 15, 2002
- Reserves of Selenium in Zambia in 2000Jan 15, 2001
- Basic Reserves of Selenium Ore in Zambia in 2000Jan 15, 2001
- Basic Reserves of Selenium Ore in Zambia in 1999Jan 15, 2000
- Reserves of Selenium in Zambia in 1999Jan 15, 2000
- Reserves of Selenium in Zambia in 1998Jan 15, 1999
- Basic Reserves of Selenium Ore in Zambia in 1998Jan 15, 1999
- Basic Reserves of Selenium Ore in Zambia in 1997Jan 15, 1998
- Reserves of Selenium in Zambia in 1997Jan 15, 1998
- Reserves of Selenium in Zambia in 1996Jan 15, 1997
- Basic Reserves of Selenium Ore in Zambia in 1996Jan 15, 1997
- Basic Reserves of Selenium Ore in Zambia in 1995Jan 15, 1996
- Reserves of Selenium in Zambia in 1995Jan 15, 1996