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\bibitem{Wang_etal2016} {\textquotedblleft}\textit{Ferroelastic switching in a layered-perovskite thin film}{\textquotedblright}. Wang C, Ke X, Wang J, Liang R, Luo Z, Tian Y, Yi D, Zhang Q, Wang J, Han X-F, Van Tendeloo G, Chen L-Q, Nan C-W, Ramesh R, Zhang J, Nature communications \textbf{7}, 10636 (2016).   http://doi.org/10.1038/ncomms10636

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