@article{Cong2013AntColonyRouting,
author={Z. Cong and B. {D}e Schutter and R. Babu\v{s}ka},
title={Ant colony routing algorithm for freeway networks},
journal={Transportation Research Part C},
volume={37},
pages={1--19},
year={2013},
doi={10.1016/j.trc.2013.09.008}
}