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H. J. Welke
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Journal Article
Whole-rock radiometric age patterns in the Aggeneys-Gamsberg ore district, central Bushmanland, South Africa
Publisher: Geological Society of South Africa
Published: 01 March 1997
South African Journal of Geology (1997) 100 (1): 11–22.
Journal Article
U-Pb isotope systematics, ages and genesis of Karoo uranium deposits, South Africa
Publisher: Geological Society of South Africa
Published: 01 March 1989
South African Journal of Geology (1989) 92 (1): 49–64.
