Event Builder and Level 3 trigger at the CDF experiment - Anikeev, K; Bauer, G; Furic, I; Holmgren, D; Korn, A; Kravchenko, I; Mulhearn, M; Ngan, P; Paus, C; Rakitin, A; Rechenmacher, R; Shah, T; et al. (2001)