Applicability of static supercritical carbon dioxide extraction in biogeochemical characterization of oil shalesLuik, Hans; Luik, Lea; Palu, Vilja; Šarajeva, Galina; Gregor, AndreAmerican journal of analytical chemistry2014 / p. 173-180 : ill

Diktüoneema põlevkivi vesikonversioon reagentide juuresolekulŠarajeva, Galina; Palu, Vilja; Kruusement, Kristjan; Luik, LeaXXXIII Eesti Keemiapäevad : teaduskonverentsi teesid2013 / lk. 68

Diktüoneemakilda ekstraktsioon superkriitilise fluiidigaKruusement, Kristjan; Palu, Vilja; Šarajeva, Galina; Luik, HansXXXIII Eesti Keemiapäevad : teaduskonverentsi teesid2013 / lk. 38

Effect of different temperature-time combinations in kerogen pyrolysis to thermobitumen and oilLuik, Lea; Luik, Hans; Šarajeva, Galina20th International Symposium on Analytical and Applied Pyrolysis : PYRO 2014 : 19-23 May 2014, Birmingham, UK : conference guide and abstracts2014 / p. 80

Effect of different temperature-time combinations in kerogen pyrolysis to thermobitumen and oilŠarajeva, Galina; Luik, Lea; Luik, Hans2014 proceedings of Second International Conference On Advances in Applied Science and Environmental Engineering : 20-21 December, 2014, Kuala Lumpur, Malaysia2014 / p. 40-47 : ill

Effect of different temperature-time combinations in kerogen pyrolysis to thermobitumen and oilŠarajeva, Galina; Luik, Lea; Luik, HansInternational journal of environmental engineering2015 / p. 174-181 : ill http://seekdl.org/nm.php?id=5785

Extraction of oil from Jordanian Attarat oil shaleTiikma, Laine; Johannes, Ille; Luik, Hans; Lepp, Ardi; Šarajeva, GalinaOil shale2015 / p. 218-239 : ill http://dx.doi.org/10.3176/oil.2015.3.03

Fundamentals to the maximum upgrading of oil shaleLuik, Hans; Luik, Lea; Šarajeva, Galina; Krasulina, Julia; Johannes, Ille; Kruusement, KristjanAbstracts book of 34th Oil Shale Symposium : October 13-17, 2014, Colorado School of Mines, Golden, Colorado2014 / p. 45

Low temperature pyrolysis of graptolite argillite (Dictyonema shale) in autoclavesŠarajeva, Galina; Tiikma, Laine; Luik, Hans; Johannes, IlleInternational journal of engineering research and applications2015 / p. 16-22 : ill http://www.ijera.com/papers/Vol5_issue11/Part%20-%201/D511011622.pdf

Stepwise supercritical carbon dioxide extraction of Estonian oil shales in batch autoclave in temperature region 40-150 °CLuik, Hans; Palu, Vilja; Luik, Lea; Šarajeva, GalinaOrganic Geochemistry : Trends for the 21st Century : book of abstracts of the communications presented to the 26th International Meeting on Organic Geochemistry, Costa Adeje, Tenerife - Spain, September 15-20, 2013. Vol. 22013 / p. 205-206

Supercritical fluid extraction of dictyonema oil shaleKruusement, Kristjan; Palu, Vilja; Šarajeva, Galina; Luik, HansInternational oil shale symposium : Tallinn, Estonia, June 10-13, 20132013 / p. 67

Thermal extraction of oil from a Utah Green River (USA) oil shale in autoclavesJohannes, Ille; Tiikma, Laine; Luik, Hans; Šarajeva, GalinaInternational journal of engineering and applied sciences (EAAS)2015 / p. 23-35 : ill http://eaas-journal.org/survey/userfiles/files/v6i504%20Oil%20Shale%20and%20Renewables%20Research(1).pdf

Thermochemical destruction of graptolite argillite = Graptoliit-argilliidi termokeemiline destruktsioonŠarajeva, Galina2016

Water conversion of dictyonema oil shale in the presence of reagentsŠarajeva, Galina; Palu, Vilja; Kruusement, Kristjan; Jurjeva, Jelena; Luik, LeaInternational oil shale symposium : Tallinn, Estonia, June 10-13, 20132013 / p. 68-69