Dynamical evidence of the age-metallicity relation in the Milky Way disk H. J. Rocha-Pinto, R. H. O. Rangel, G. F. Porto de Mello, G. A. Bragança and W. J. Maciel A&A, 453 1 (2006) L9-L12 Published online: 09 June 2006 DOI: 10.1051/0004-6361:20065362