@article{nelson2008-ras,
	author = {Andrew L. Nelson and Gregory J. Barlow and Lefteris Doitsidis},
	title = {Fitness Functions in Evolutionary Robotics: A Survey and Analysis},
	journal = {Robotics and Autonomous Systems},
	year = {2008},
	volume = {v},
	number = {n},
	pages = {a -- b},
	url = {http://www.cs.cmu.edu/~gjb/includes/publications/journal/nelson2008-ras/nelson2008-ras.pdf}
}