@book {jaehne1989b,
	title = {Digitale Bildverarbeitung},
	year = {1989},
	publisher = {Springer},
	organization = {Springer},
	doi = {10.1007/978-3-662-06734-5},
	url = {http://d-nb.info/890489467},
	author = {Bernd J{\"a}hne}
}
