@article {calisi09auro,
	title = {Performance evaluation of pure-motion tasks for mobile robots with respect to world models},
	journal = {Autonomous Robots},
	volume = {27},
	number = {4},
	year = {2009},
	month = {sep},
	pages = {465{\textendash}481},
	issn = {1573-7527},
	doi = {10.1007/s10514-009-9150-y},
	url = {http://www.springerlink.com/content/h842542627574715},
	author = {Daniele Calisi and Daniele Nardi}
}
