A Tabu Search Heuristic for the Generalized Traveling Salesman Problem
http://www.fsa.ulaval.ca/personnel/renaudj/pdf/Recherche/Congres/ASAC2004/GTSP%20ASAC%202004.pdf
A Tabu Search Heuristic for the Generalized Traveling Salesman Problem
http://www.fsa.ulaval.ca/personnel/renaudj/pdf/Recherche/Congres/ASAC2004/GTSP%20ASAC%202004.pdf