@Article{GreinerSIGPLAN2005,<br />
 author= {J.~Brest and J.~Zerovnik},<br />
 title={A Heuristic for the Asymmetric Traveling Salesman Problem},<br />
 journal={The 6th Metaheuristics International Conference}, <br />
 year={2005},<br />
 pages={145-150}}