@phdthesis{publication-6947,
	author={Schlegel, Philipp},
	editor={Pajarola, Renato and Peikert, Ronald},
	faculty={Faculty of Economics, Business Administration and Information Technology},
	institution={University of Zurich},
	pages=133,
	title={Automatic transfer function generation and extinction- based approaches in direct volume visualization},
	year=2011,
}