%0 Journal Article %A Ben Lund %A George B. Purdy %A Justin W. Smith %T A pseudoline counterexample to the strong Dirac conjecture %J The electronic journal of combinatorics %D 2014 %V 21 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/4015/ %R 10.37236/4015 %F 10_37236_4015