• Catalytic hydrogenation of thermobitumenKrasulina, Julia; Bitjukov, Mihhail; Vink, Natalia; Gregor, Andre; Luik, Lea; Luik, HansInternational oil shale symposium : Tallinn, Estonia, June 10-13, 20132013 / p. 56-57
• Catalytic thermal liquefaction of oil shale in tetralinJohannes, Ille; Tiikma, Laine; Luik, Hans; Tamvelius, Hindrek; Krasulina, JuliaISRN Chemical Engineering2012 / Article ID 617363, [11] p. https://www.hindawi.com/journals/isrn/2012/617363/
• 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 and co-pyrolysis of Göynük oil shale and terebinth berries (Turkey) in an autoclaveYanik, J.; Secim, P.; Karakaya, S.; Tiikma, Laine; Luik, Hans; Krasulina, Julia; Raik, Peep; Palu, ViljaOil shale2011 / p. 469-486 : ill https://artiklid.elnet.ee/record=b2463385*est
• Termobituumeni katalüütiline hüdrogeenimineKrasulina, Julia; Bitjukov, Mihhail; Vink, Natalia; Gregor, Andre; Luik, Lea; Luik, HansXXXIII Eesti Keemiapäevad : teaduskonverentsi teesid2013 / lk. 35
• Thermochemical Co-liquefaction of Estonian kukersite oil shale with peat and pine barkKrasulina, Julia; Luik, Hans; Palu, Vilja; Tamvelius, HindrekOil shale2012 / p. 222-236 : ill https://artiklid.elnet.ee/record=b2527827*est
• Upgrading of Estonian shale oil heavy residuum bituminous fraction by catalytic hydroconversionLuik, Hans; Luik, Lea; Johannes, Ille; Tiikma, Laine; Vink, Natalia; Palu, Vilja; Bitjukov, Mihhail; Tamvelius, Hindrek; Krasulina, Julia; Kruusement, Kristjan; Nechaev, IgorFuel processing technology2014 / p. 115-122 : ill https://doi.org/10.1016/j.fuproc.2014.02.018 https://www.scopus.com/sourceid/16315 https://www.scopus.com/record/display.uri?eid=2-s2.0-84896511454&origin=inward&txGid=7c84651c14e9f76f7a0eaec86c719d74 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=FUEL%20PROCESS%20TECHNOL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000336879800014
• Upgrading of liquid products from Estonian kukersite oil shale by catalytic hydrogenation = Kukersiitpõlevkivi vedelproduktide vääristamine katalüütilise hüdrogeenimise meetodilKrasulina, Julia2015 https://www.ester.ee/record=b4471946*est