1. Tabu search, Part I;Glover;ORSA Journal on Computing,1989
2. Tabu search, Part II;Glover;ORSA Journal on Computing,1990
3. Avoiding local optima in the p-hub location problem using tabu search and grasp;Klincewicz,1989
4. Heuristics for the p-hub location problem;Klincewicz;European Journal of Operational Research,1991
5. Facility location: Models and methods;Love,1988