@article {FraSchMalBue98a,
	title = {Learning view graphs for robot navigation},
	journal = {Autonomous Robots},
	volume = {5},
	year = {1998},
	pages = {111~{\textendash}~125},
	author = {M O Franz and Sch{\"o}lkopf, B and Mallot, H A and B{\"u}lthoff, H H}
}
@conference {FraSchGeoMalBue97,
	title = {Learning view graphs for robot navigation},
	booktitle = {{Proc.\ 1.{\.I}ntl.\ Conf.\ on Autonomous Agents}},
	year = {1997},
	pages = {138~{\textendash}~147},
	publisher = {ACM Press},
	organization = {ACM Press},
	address = {New York},
	author = {M O Franz and Sch{\"o}lkopf, B and Georg, P and Mallot, H A and B{\"u}lthoff, H H},
	editor = {Johnson, W L}
}
