@incollection{GutCamSan-etal08ants,
	author      = {A. Guti\'{e}rrez and A. Campo and F.~C.~Santos and C. Pinciroli and M. Dorigo},
	title       = {Social Odometry in Populations of Autonomous Robots},
	publisher   = {Springer-Verlag},
	year        = {2008},
	booktitle   = {Ant Colony Optimization and Swarm Intelligence, 6th International Conference, ANTS 2008, Brussels, Belgium, September 2008,  Proceedings},
	series      = {Lecture Notes in Computer Science},
	pages       = {371--378},
	address     = {Berlin, Germany},
}