Litterature
- 1992 . 14th Annual Report , Windhoek, , Namibia : Chamber of Mines of Namibia .
- 1985 . A Future for Namibia 3 - Mining, Mines and Independence, Catholic Institute for International Relations , Nottingham : Russel Press Ltd. .
- 1992 . Africa South of Sahara London
- 1990 . Annual Review of the World Copper Industry 1990 , London : Shearson, Lehman, Hutton Inc. .
- 1990–91 . Consolidated Diamond Mines . CDM Review ,
- 1991 . Economic Review , May 23, 1991, Ministry of Finance, Rebublic of Namibia
- 1992 . Economic Review 1992 , Republic of Namibia : Ministry of Finance .
- Ericssson , Magnus . 1992 . Mining in Namibia , Stockholm : Raw Materials Group .
- Gillis , Perkins and Roemer , Snodgrass . 1987 . Economics of Development , Second Edition , New York : W.W Norton & Company .
- Limé Eriksen , Tore . 1988 . Landanalys: Namibia , Helsingbog, , Sweden : Sida, Schmidts Boktryckeri AB .
- Mbuende , Kaire . 1986 . Namibia - the Broken Shield: Anatomy of Imperialism and Revolution Lund, , Sweden
- March 1991 . Mining in Namibia , March , Windhoek : Chamber of Mines of Namibia .
- Ministry of Mines and Energy . 1993 . Namibian Mineral Production 1980–89 Windhoek, , Namibia
- Murray , Roger . 1993 . Background Document on the Mining sector for the CMIN , London : Commonwealth Secretariat .
- Murray , Roger . 1992 . Country Profil Namibia, 1991–92 , London : Economist Intelligence Unit .
- Murray , Roger . 1993 . Special Report No M211, Namibia through the 1990s - Tuning rich resources into growth , London : Economist Intelligence Unit .
- Raw Materials Group . 1993 . Metal Statistics
- Shearson Lehman Brothers . 1990 . Annual Review of the World Lead & Zinc Industries 1990 London
- Sparks and Green . 1992 . Namibia: The Nation After Independence , Westview Press Inc. .
- Tsumeb Corporation Limited . Annual reports, 1980, 1982, 1984, 1986, 1988, 1990
- World Bank . 1992 . Namibia- Poverty Alleviation with Sustainable Growth Washington, DC