Galaxy groups in the 2dFGRS: the group-finding algorithm and the 2PIGG catalogue (Monthly Notices of the Royal Astronomical Society, 2004)

(untitled) - Eke, V; Baugh, C; Cole, S; Frenk, C; Norberg, P; Peacock, J; Baldry, I; Bland-Hawthorn, J; Bridges, T; Cannon, R; Colless, M; Collins, C; et al.