%0 Journal Article %A J. Csima %A E.T. Sawyer %T There Exist 6n/13 Ordinary Points. %J Discrete & computational geometry %D 1993 %P 187-202 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1993__9_2_131244/ %F DCG_1993__9_2_131244