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\bibitem{Zha_etal2009} {\textquotedblleft}\textit{Impurity-induced modulations of orders in \textbf{d}-wave superconductors}{\textquotedblright}. Zha G-Q, Chen Y, Peeters FM, Zhou S-P, Physical review : B : solid state \textbf{80}, 064518 (2009).   http://doi.org/10.1103/PhysRevB.80.064518

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