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The distribution and occurrence of the baser metals in Western Australia
Simpson, Edward S.; Gibson, Chas. G. - 1907
Persistent link: https://www.econbiz.de/10003413982
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Minerals of economic value
Simpson, Edward S. - 1905
Persistent link: https://www.econbiz.de/10011491561
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Notes from the departmental laboratory
Simpson, Edward S. - 1902
Persistent link: https://www.econbiz.de/10002764246
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The developing world : an introd.
Simpson, Edward S. - 1987
Persistent link: https://www.econbiz.de/10000703857