1. Inside–out polytopes;Beck;Adv. Math.,2006
2. Planar permutation graphs;Chartrand;Ann. Inst. H. Poincaré Sect. B (N.S.),1967
3. Solution to Problem 10606, Avoiding the identity;Gagola;Amer. Math. Monthly,1999
4. The greedy algorithm for finitary and cofinitary matroids;Klee,1971
5. Bicircular matroids;Matthews;Quart. J. Math. Oxford (2),1977