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Probing the Outer Galactic halo with RR Lyrae from the Catalina Surveys
A.J. Drake, M. Catelan, S.G. Djorgovski, G. Torrealba, M.J. Graham, V. Belokurov, S. E. Koposov, A. Mahabal, J.L. Prieto, C. Donalek, R. Williams, S. Larson, E. Christensen and E. Beshore 2013, ApJ, 763, 32,