refs.bib

@article{shneiderman,
	author = {Ben Shneiderman},
	title = {The Eyes Have It: A Task by Data Type Taxonomy for Information Visualizations},
	year = {1996},
	issn = {1049-2615}
}



@online{nytimes-taxes,
	title = {Across U.S. Companies, Tax Rates Vary Greatly},
	author = {Michael Bostock and Matthew Ericson and David Leonhardt and Bill Marsh},
	date = {2015-03-25},
	url = {http://www.nytimes.com/interactive/2013/05/25/sunday-review/corporate-taxes.html},
	organization = {New York Times},
	urldate = {2015-10-04}
}

@book{viz,
	author = {Heidrun Schumann and Wolfgang Müller},
	title = {Visualisierung},
	year = {2000},
	subtitle = {Grundlagen und allgemeine Methoden},
	edition = {1},
	publisher = {Springer-Verlag Berlin Heidelberg},
	isbn = {978-3-540-64944-1},
	doi = {10.1007/978-3-642-57193-0}
}