@article { calisi07jfr,
	title = {Multi-objective Exploration and Search for Autonomous Rescue Robots},
	journal = {Journal of Field Robotics, Special Issue on Quantitative Performance Evaluation of Robotic and Intelligent Systems},
	volume = {24},
	year = {2007},
	month = {August - September},
	pages = {763{\textendash}777},
	issn = {1556-4959},
	doi = {10.1002/rob.v24:8/9},
	author = {D. Calisi and A. Farinelli and L. Iocchi and D. Nardi}
}
