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![](./img/clear.gif) 1.- South Africa's mineral industry (1985)
P.J. Hugo; Department of Mineral and Energy Affairs
Johannesburg: Department of mineral and Energy affairs, 1985
IV / 10 - 7 - 7
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![](./img/clear.gif) 2.- The Allanite deposits on Urede, Gordonia District, Cape province
P.J. Hugo
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