Ots Arvo & Lithuanian Academy of Sciences. Estonian oil shale properties and utilization in power plants.
Čikaški stil citiranja (17. izdanje)Ots Arvo i Lithuanian Academy of Sciences. Estonian Oil Shale Properties and Utilization in Power Plants.
MLA način citiranja (9. izdanje)Ots Arvo i Lithuanian Academy of Sciences. Estonian Oil Shale Properties and Utilization in Power Plants.
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