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Stan i perspektywy przemysłu we̜glowego w Polsce
Ma̢czyńska, Elżbieta (contributor) - 1996
Persistent link: https://www.econbiz.de/10000945049
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Materiały konferencyjne ; Cz. 3
Lorenz, Urszula (contributor) - 2012
Persistent link: https://www.econbiz.de/10009670967
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Significance of the coal resources of Pakistan
Kazmi, Ali H. (contributor); Siddiqi, Razi A. (contributor) - 1990
Persistent link: https://www.econbiz.de/10000848719
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Nigerian coal : a resource for energy and investments
Harry C. Okolo (comment); Mkpadi, Mike C. (ed.) - 1996
Persistent link: https://www.econbiz.de/10000982178
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Resursy ėnergetičeskogo syrʹja : doklady sovetskich geologov
Semenovič, V. V. (contributor) - 1980
Persistent link: https://www.econbiz.de/10000704517
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O carvão no contexto energético português
1983
Persistent link: https://www.econbiz.de/10001256441
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Coal and the mining industry
Ellis, Steve P. - 1983
Persistent link: https://www.econbiz.de/10001262827