@conference {DelleFave09, title = {Multi-Objective Multi-Robot Surveillance}, booktitle = {Proceedings of 4th International Conference on Autonomous Robots and Agents}, year = {2009}, pages = {68{\textendash}73}, address = {Wellington, New Zealand}, isbn = {978-1-4244-2713-0}, doi = {10.1109/ICARA.2000.4804005}, author = {F. Delle Fave and S. Canu and L. Iocchi and Daniele Nardi and V.A. Ziparo} }