%0 Journal Article %A Sam Hopkins %A David Perkinson %T Orientations, semiorders, arrangements, and parking functions %J The electronic journal of combinatorics %D 2012 %V 19 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/2684/ %R 10.37236/2684 %F 10_37236_2684