Ots Arvo & Lithuanian Academy of Sciences. Estonian oil shale properties and utilization in power plants.
Цитирование в стиле Чикаго (17-е изд.)Ots Arvo и Lithuanian Academy of Sciences. Estonian Oil Shale Properties and Utilization in Power Plants.
Цитирование MLA (9-е изд.)Ots Arvo и Lithuanian Academy of Sciences. Estonian Oil Shale Properties and Utilization in Power Plants.
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