Galaxy-cluster gas-density distributions of the representative XMM-Newton cluster structure survey (REXCESS)J. H. Croston, G. W. Pratt, H. Böhringer, M. Arnaud, E. Pointecouteau, T. J. Ponman, A. J. R. Sanderson, R. F. Temple, R. G. Bower and M. DonahueA&A, 487 2 (2008) 431-443DOI: https://doi.org/10.1051/0004-6361:20079154