@article { IoNa03a,
	title = {Distributed Coordination in Heterogeneous Multi-Robot Systems},
	journal = {Autonomous Robots},
	volume = {15},
	number = {2},
	year = {2003},
	pages = {155{\textendash}168},
	issn = {0929-5593},
	author = {L. Iocchi and D. Nardi and M. Piaggio and A. Sgorbissa}
}
