X-ray Groups of Galaxies at 0.5 (Publications of the Astronomical Society of Japan, 2011)

(untitled) - Tanaka, M; Finoguenov, A; Lilly, S; Bolzonella, M; Carollo, C; Contini, T; Iovino, A; Kneib, J; Lamareille, F; Fevre, O; Mainieri, V; Presotto, V; et al.