Vol 38, Issue 1, 2021
General geology and geochemistry of the Lokpanta Formation oil shale, Nigeria; pp. 1–25
Sylvester Ofili, Alvar Soesoo
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The characteristics and kinetics of co-pyrolysis of furfural residue with oil shale semi-coke; pp. 26–41
Yu Yang, Ye Chen, Ji Xuanyu
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Underground oil shale mine surveying using handheld mobile laser scanners; pp. 42–64
Kaia Kütimets, Artu Ellmann, Erik Väli, Sander Kanter
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Carbon dioxide sequestration in power plant Ca-rich ash waste deposits; pp. 65–88
Kristjan Leben, Riho Mõtlep, Alar Konist, Tõnu Pihu, Kalle Kirsimäe
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