@inproceedings{
vanBab:09-001,
author={J. van Ast and R. Babu{\v{s}}ka and B. {D}e Schutter},
title={Fuzzy Ant Colony Optimization for Optimal Control},
booktitle={Proceedings of the 2009 American Control Conference},
address={St.\ Louis, Missouri},
pages={1003--1008},
month=jun,
year={2009}
}