Investigation of strain relaxion mechanism in Si-SiO2 system during the process of its formationKropman, Daniel; Poll, V.; Kärner, T.; Ugaste, Ülo; Mellikov, Enn; Arbu, Uno; Paomets, V.Physica status solidi (a)2003 / 2, p. 297-301 https://onlinelibrary.wiley.com/doi/abs/10.1002/pssa.200306611

Point defects interaction with extended defects and impurities and its influence on the Si-SiO2 system propertiesKropman, Daniel; Arbu, Uno; Kärner, T.; Ugaste, Ülo; Mellikov, Enn; Kauk, Marit; Heinmaa, I.; Samoson, Ago; Medvid, A.Gettering and defect engineering in semiconductor technology. XI2005 / p. 333-338 : ill https://www.researchgate.net/publication/243760197_Point_Defects_Interaction_with_Extended_Defects_and_Impurities_and_Its_Influence_on_the_Si-SiO_2_System_Properties