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Les mines de fer françaises, 1954
19XX
Persistent link: https://www.econbiz.de/10003179996
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Sierra Leone survey 1974
In: African development 8 (1974) 4, pp. SL 3-SL 38
Persistent link: https://www.econbiz.de/10003181962
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The Missabe road
1927
Persistent link: https://www.econbiz.de/10003185691
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Minas de ferro de Montemor-o-Novo
Andrade, Adalberto de (contributor) - 1949
Persistent link: https://www.econbiz.de/10003191351
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Report on coal and iron ore studies
1950
Persistent link: https://www.econbiz.de/10003231021
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Indústrias de base
1957
Persistent link: https://www.econbiz.de/10003161343
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Considerations of international measures on iron ore : statistics on iron ore
1984
Persistent link: https://www.econbiz.de/10003099539
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Contribución al conocimiento de la riqueza mineral en Colombia
1949
Persistent link: https://www.econbiz.de/10003099808