TY - JOUR AU - Ben Lund AU - George B. Purdy AU - Justin W. Smith TI - A pseudoline counterexample to the strong Dirac conjecture JO - The electronic journal of combinatorics PY - 2014 VL - 21 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/4015/ DO - 10.37236/4015 ID - 10_37236_4015 ER -