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\bibitem{Titantah_etal2009} {\textquotedblleft}\textit{Modified atomic scattering amplitudes and size effects on the 002 and 220 electron structure factors of multiple Ga$_{1-x}$In$_{x}$As/GaAs quantum wells}{\textquotedblright}. Titantah JT, Lamoen D, Schowalter M, Rosenauer A, Journal of applied physics \textbf{105}, 084310 (2009).   http://doi.org/10.1063/1.3115407

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