• Interaction of point defects with impurities in the Si-SiO2 system and its influence on the interface propertiesKropman, Daniel; Mellikov, Enn; Kärner, Tiit; Heinmaa, Ivo; Laas, Tõnu; Londos, Charalampos; Misiuk, AndrzejSolid state phenomena2011 / p. 263-266 https://www.sciencedirect.com/science/article/pii/S0040609009014564
• Interaction of point defects with impurities in the Si-SiO2 system and its influence on the interface propertiesKropman, Daniel; Kärner, Tiit; Dolgov, Sergei; Heinmaa, Ivo; Laas, Tõnu; Londos, CharalamposPhysica status solidi (c)2011 / p. 694-696 : ill https://www.sciencedirect.com/science/article/pii/S0040609009014564
• Stress relaxation mechanism by strain in the Si-SiO2 system and its influence on the interface propertiesKropman, Daniel; Mellikov, Enn; Kärner, Tiit; Laas, Tõnu; Medvid, Arthur; Onufrijevs, Pavels; Dauksta, EdvinsSolid state phenomena2011 / p. 259-262 https://globaljournals.org/GJSFR_Volume17/1-Stresses-Relaxation-Mechanism.pdf
• Stress relaxation mechanism by strain in the Si-SiO2 system and its influence on the interface propertiesKropman, Daniel; Seeman, Viktor; Dolgov, Sergei; Heinmaa, Ivo; Medvid, ArturPhysica Status Solidi (C) Current Topics in Solid State Physics2016 / p. 790 - 792 https://doi.org/10.1002/pssc.201600051 https://www.scopus.com/sourceid/4700152710 https://www.scopus.com/record/display.uri?eid=2-s2.0-84992626289&origin=resultslist&sort=plf-f&src=s&sid=cdfc52fb027a72eafe4f96d734f78c62&sot=b&sdt=b&s=DOI%2810.1002%2Fpssc.201600051%29&sl=27&sessionSearchId=cdfc52fb027a72eafe4f96d734f78c62&relpos=0 https://www.webofscience.com/wos/woscc/full-record/WOS:000399448900017
• The complementary use of UV, EPR and SEC to study the structural changes of humic substances during wood waste compostingBikovens, O.; Lepane, Viia; Makarõtševa, Natalja; Dizhbite, T.; Telysheva, G.Functions of natural organic matter in changing environment2013 / p. 113-117
• Understanding and control of stress at Si-SiO2 interfaceKropman, Daniel; Seeman, Viktor; Medvids, Arturs; Onufrijevs, Pavels; Vitusevich, Svetlana; Mikli, ValdekKey engineering materials2020 / p. 291−296 https://doi.org/10.4028/www.scientific.net/KEM.850.291 https://www.scopus.com/sourceid/12378 https://www.scopus.com/record/display.uri?eid=2-s2.0-85088298651&origin=inward&txGid=57d66fc6d526d749bfec9d1fdbf4390a