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\bibitem{Fedina_etal2000} {\textquotedblleft}\textit{In situ HREM irradiation study of point-defect clustering in MBE-grown strained Si$_{1-x}$Ge$_{x}$/(001)Si structures}{\textquotedblright}. Fedina L, Lebedev OI, Van Tendeloo G, van Landuyt J, Mironov OA, Parker EHC, Physical review : B : condensed matter and materials physics \textbf{61}, 10336 (2000).   http://doi.org/10.1103/PhysRevB.61.10336

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