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\bibitem{Nikolaev+Michel1999} {\textquotedblleft}\textit{Quantum charge density fluctuations and the γ-α phase transition in Ce}{\textquotedblright}. Nikolaev AV, Michel KH, European physical journal : B : condensed matter and complex systems \textbf{9}, 619 (1999).   http://doi.org/10.1007/s100510050806

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