Metallicity gradients in disks - Do galaxies form inside-out? K. Pilkington, C. G. Few, B. K. Gibson, F. Calura, L. Michel-Dansac, R. J. Thacker, M. Mollá, F. Matteucci, A. Rahimi, D. Kawata et al. (6 more) A&A, 540 (2012) A56 Published online: 27 March 2012 DOI: 10.1051/0004-6361/201117466