Automata, Languages and Programming 30th International Colloquium, ICALP 2003, Eindhoven, The Netherlands, June 30 - July 4, 2003. Proceedings Baeten Jos C.M. Heftet / 2003 / Engelsk
Traveling Salesman Problem A Guided Tour of Combinatorial Optimization Lawler, E. L. Innbundet / 1985 / Engelsk
