GMASS ultradeep spectroscopy of galaxies at z similar to 2 V. Witnessing the assembly at z=1.6 of a galaxy cluster

Kurk, J; Cimatti, A; Zamorani, G; Halliday, C; Mignoli, M; Pozzetti, L; Daddi, E; Rosati, P; Dickinson, M; Bolzonella, M; Cassata, Paolo; Renzini, A; Franceschini, Alberto; Rodighiero, Giulia; Berta, Stefano