On the refinement of bounds of heuristic algorithms for the traveling salesman problem. - Bernd Jeromin; Frank Körner (Math. Program., 1985)

On the refinement of bounds of heuristics algorithms of the traveling salesman poblem. - Bernd Jeromin; Frank Körner (Math. Program., 1987)

Beiträge zum Traveling Salesman Problem. - Bernd Jeromin (1990)