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\bibitem{Erfurt_etal2020} {\textquotedblleft}\textit{Impact of rough substrates on hydrogen-doped indium oxides for the application in CIGS devices}{\textquotedblright}. Erfurt D, Koida T, Heinemann MD, Li C, Bertram T, Nishinaga J, Szyszka B, Shibata H, Klenk R, Schlatmann R, Solar Energy Materials And Solar Cells \textbf{206}, 110300 (2020).   http://doi.org/10.1016/J.SOLMAT.2019.110300

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