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\bibitem{Brenker_etal2007} {\textquotedblleft}\textit{Carbonates from the lower part of transition zone or even the lower mantle}{\textquotedblright}. Brenker FE, Vollmer C, Vincze L, Vekemans B, Szymanski A, Janssens K, Szaloki I, Nasdala L, Joswig W, Kaminsky F, Earth and planetary science letters \textbf{260}, 1 (2007).   http://doi.org/10.1016/J.EPSL.2007.02.038

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