The dynamical and chemical evolution of dwarf spheroidal galaxiesY. Revaz, P. Jablonka, T. Sawala, V. Hill, B. Letarte, M. Irwin, G. Battaglia, A. Helmi, M. D. Shetrone, E. Tolstoy and K. A. VennA&A, 501 1 (2009) 189-206DOI: https://doi.org/10.1051/0004-6361/200911734