First observations of separated atmospheric nu(mu) and (nu)over-bar(mu) events in the MINOS detector - Adamson, P; Alexopoulos, T; Allison, W; Alner, G; Anderson, K; Andreopoulos, C; Andrews, M; Andrews, R; Arroyo, C; Avvakumov, S; Ayres, D; Baller, B; et al. (2006)