@incollection {koethe_08_what,
	title = {What Can We Learn from Discrete Images about the Continuous World},
	volume = {4992},
	year = {2008},
	pages = {4-19},
	publisher = {Springer},
	doi = {10.1007/978-3-540-79126-3_2},
	author = {Ullrich K{\"o}the}
}
