On the horizontal branch of the galactic globular cluster NGC 2808 V. Castellani, G. Iannicola, G. Bono, M. Zoccali, S. Cassisi and R. Buonanno A&A, 446 2 (2006) 569-577 Published online: 13 January 2006 DOI: 10.1051/0004-6361:20042170