@article {luber11ijrr,
	author = {Luber, Matthias and Tipaldi, Gian Diego and Arras, Kai O.},
	title = {{Place-Dependent People Tracking}},
	booktitle = {International Journal of Robotics Research},
	volume = {30},
	number = {3},
	year = {2011},
	month = {March},
	url = {http://www.informatik.uni-freiburg.de/~tipaldi/papers/luber11ijrr.pdf}
}