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\bibitem{Afanasov+VanTendeloo2011} {\textquotedblleft}\textit{Zirconia-modified exfoliated graphite}{\textquotedblright}. Afanasov IM, Van Tendeloo G, Inorganic materials \textbf{47}, 603 (2011).   http://doi.org/10.1134/S0020168511050013

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