@article {FraSchMalBue98b,
	title = {Where did {I} take that snapshot? {Scene-based} homing by image matching},
	journal = {Biol. Cybern.},
	volume = {79},
	year = {1998},
	pages = {191~{\textendash}~202},
	author = {M O Franz and Sch{\"o}lkopf, B and Mallot, H A and B{\"u}lthoff, H H}
}
