Abundances and physical parameters for stars in the open clusters NGC 5822 and IC 4756 G. Pace, J. Danziger, G. Carraro, J. Melendez, P. François, F. Matteucci and N. C. Santos A&A, 515 (2010) A28 Published online: 03 June 2010 DOI: 10.1051/0004-6361/200913029