Precise measurement of the left-right cross section asymmetry in Z boson production by e+e- collisions. - Abe K; Abt I I; Ash WW; Aston D; Bacchetta N; Baird KG; Baltay C; Band HR; Barakat MB; Baranko G; Bardon O; Barklow T; et al. (Physical review letters, 1994)