@techreport{
vanBab:07-021,
author={J. van Ast and R. Babu{\v{s}}ka and B. {D}e Schutter},
title={Self-organizing moving agents: A survey},
number={07-021},
institution={Delft Center for Systems and Control, Delft University of
Technology},
address={Delft, The Netherlands},
month=may,
year={2007}
}