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\bibitem{Eisenstein+Mena2011} Eisenstein, D. J. et al, \& Mena, O. (2011). SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way, and Extra-Solar Planetary Systems. \textit{Astron. J.}, \textit{142}(3), 72--24pp.

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