@article{10_37236_4015,
     author = {Ben Lund and George B. Purdy and Justin W. Smith},
     title = {A pseudoline counterexample to the strong {Dirac} conjecture},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {2},
     doi = {10.37236/4015},
     zbl = {1300.05048},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4015/}
}