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Second assessment of transboundary rivers, lakes and groundwaters
2011
Persistent link: https://www.econbiz.de/10009520356
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Symposium on the Methods of Working Thick Coal Seams ; 1
Symposium on the Methods of Working Thick Coal Seams … - 1968
Persistent link: https://www.econbiz.de/10000596612
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The coal situation in Europe in ... and its prospects
Vereinte Nationen / Wirtschaftskommission für Europa; … - New York, NY; anfangs: Geneva : United Nations - [1.]1958/59(1959); 2.1959/60(1961) - 6.1964/65(1966); …
Persistent link: https://www.econbiz.de/10000427169
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Productivity of underground coal workings
1965
Persistent link: https://www.econbiz.de/10001643247
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Best practice guidance for effective management of coal mine methane in national level : monitoring, reporting, verification and mitigation
Vereinte Nationen / Wirtschaftskommission für Europa - 2021
Persistent link: https://www.econbiz.de/10013285819
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Best practice guidance for effective methane drainage and use in coal mines
Vereinte Nationen / Wirtschaftskommission für Europa - 2016 - Second edition
Persistent link: https://www.econbiz.de/10011703279
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Best practice guidance for effective methane drainage and use in coal mines
2010
Persistent link: https://www.econbiz.de/10008702421
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Mechanization of the cultivation and harvesting of sugar beet : submitted by the Government of the Ukrainian SSR
Polupanov, F. P.; Kosyrev, N. M. - 1973
Persistent link: https://www.econbiz.de/10000632049
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Innovation performance review of Ukraine
2013
Persistent link: https://www.econbiz.de/10010516868