Basics for geotechnical engineering explorations considering needed legal changes = Insenergeoloogiliste uuringute alused arvestades vajalikke muudatusi valdkonda käsitlevas õigusruumis
Tammemäe, Olavi
2008
https://digi.lib.ttu.ee/i/?237
https://www.ester.ee/record=b2430406*est
Economic model oil shale flows and cost = Põlevkivi kaubavoogude ja hinna majandusmatemaatiline mudel
Tammeoja, Tauno
2008
https://www.ester.ee/record=b2384902*est
Geographical information system for oil shale mining - MGIS
Valgma, Ingo
2002
https://www.ester.ee/record=b1646035*est
Groundwater sulphate content changes in Estonian underground oil shale mines
Erg, Katrin
2005
https://www.ester.ee/record=b2045349*est