1. Using Lagrangian dual information to generate degree constrained spanning trees
2. , A relax and cut algorithm for the traveling salesman problem, 17th International Symposium on Mathematical Programming, Atlanta, USA, 2000, pp. 77.
3. , “A Lagrangian heuristic for the linear ordering problem”, Metaheuristics: Computer decision-making, (Editors), Kluwer Academic, Boston, 2003, pp. 123–151.
4. A branch and cut method for the degree-constrained minimum spanning tree problem
5. Optimal rectangular partitions