1. Modular constructions for combinatorial geometries;Brylawski;Trans. Amer. Math. Soc.,1975
2. Decomposition of regular matroids;Seymour;J. Combinatorial Theory Ser. B,1980
3. Disjoint paths in graphs;Seymour;Discrete Math.,1980
4. Minors of 3-connected matroids;Seymour;Europ. J. Combinatorias,,1985
5. A homotopy theorem for matroids, I, II;Tutte;Trans. Amer. Math. Soc,1958