1. Theory of Graphs and its Applications;Berge,1962
2. Worst-case analysis of a new heuristic for the traveling salesman problem;Christofides,1976
3. Performance of various computers using standard linear equations software;Dongarra,1997
4. Fast clustering algorithms;Dorndorf;ORSA Journal on Computing,1994
5. Covers and packings in family of sets;Edmonds;Bulletin of the American Mathematical Society,1962