@inbook {DahFraKra01,
	title = {Extracting egomotion from optic flow: limits of accuracy and neural matched filters},
	booktitle = {{Motion Vision: Computational, Neural and Ecological Constraints}},
	year = {2001},
	pages = {143-168},
	publisher = {Springer},
	organization = {Springer},
	address = {Berlin}
}
