AMAZE - I. The evolution of the mass–metallicity relation at z > 3 R. Maiolino, T. Nagao, A. Grazian, F. Cocchia, A. Marconi, F. Mannucci, A. Cimatti, A. Pipino, S. Ballero, F. Calura et al. (9 more) A&A, 488 2 (2008) 463-479 Published online: 01 July 2008 DOI: 10.1051/0004-6361:200809678