Böhringer, H., Pratt, G. W., Arnaud, M., Borgani, S., Croston, J. H., Ponman, T. J., et al. (2010). Substructure of the galaxy clusters in the REXCESS sample: observed statistics and comparison to numerical simulations. Astronomy & Astrophysics, 514: A32, pp. 1-19. doi:10.1051/0004-6361/200913911.