@article{publication-13608,
	author={Christen, Markus and Brugger, Peter},
	doi={10.1017/S0140525X13001696},
	issn={0140-525X},
	journal={Behavioral and Brain Sciences},
	number=1,
	pages={80-81},
	publisher={Cambridge University Press},
	title={Mapping collective behavior--beware of looping},
	volume=37,
	year=2014,
}