1. Binney, J. 2004, in IAU Symp. 220, Dark Matter in Galaxies, ed. S. Ryder et al. (San Francisco: ASP), 3
2. Binney, J. & Tremaine, S. 1987, Galactic Dynamics (Princeton: Princeton Univ. Press)
3. Biretta, J., etal 2002, HST WFPC2 Instrument Handbook, version 7.0 (Baltimore: STScI), http://www.stsci.edu/instruments/wfpc2/Wfpc2_hand/wfpc2_handbook.html
4. Contraction of dark matter galactic halos due to baryonic infall
5. Profiles of dark haloes: evolution, scatter and environment