@incollection {jaehne1999l,
	title = {Spatial and fourier domain},
	year = {1999},
	pages = {35--66},
	publisher = {Academic Press},
	chapter = {3},
	author = {Bernd J{\"a}hne and Bernd J{\"a}hne and Horst Hau{\ss}ecker},
	editor = {Peter Gei{\ss}ler}
}
