1. Theory of Graphs and its Applications;Berge,1962
2. Maximum Matching and a Polyhedron with 0,1-Vertices;Edmonds;Journal of Research of the National Bureau of Standards,1965
3. Matroid intersection;Edmonds;Annals of Discrete Mathematics,1979
4. A Parallel Tabu Search Algorithm for Large Scale Traveling Salesman Problems;Fiechter,1990