The faint end luminosity function of compact galaxy groups E. Krusch, D. Rosenbaum, R.-J. Dettmar, D. J. Bomans, C. L. Taylor, G. Aronica and T. Elwert A&A, 459 3 (2006) 759-762 Published online: 12 September 2006 DOI: 10.1051/0004-6361:20054515