1. Burger AJ (1965) Mineralogical and radiometric studies of monazite and sphene occurrences in the Namib Desert, South-West Africa; National Physical Research Laboratory, Council for Scientific and Industrial Research, South Africa
2. CoM (2007) Qualification Demand Report 2006–2007, unveröffentlicht. Chamber of Mines of Namibia
3. CoM (2006–2012) Chamber of Mines of Namibia; Jahresberichte 2006, 2007, 2008, 2009, 2010, 2011, und 2012.
http://www.chamberofmines.org.na/index.php?id=11
; acc. 01.05.2012. Letzter Zugriff 23.06.2013
4. Diehl M (1990) Pegmatites of the Cape Cross-Uis Pegmatite Belt, Namibia: Geology, Mineralisation, Rb-Sr Characteritics and Petrogenesis of Rare Metal Pegmatites. Geol. Surv. Namibia Open File rep, EO 083, 50 S.
5. Diehl BJM (1992) Tin. In: Geological Survey (Nami-bia), Ministry of Mines and Energy, Windhoek. The mineral resources of Namibia 2, 2: 1–30