@article {1011,
	title = {Evaluation of Direct Haptic 4D Volume Rendering of Partially Segmented Data for Liver Puncture Simulation},
	journal = {Nature Scientific Reports},
	volume = {7},
	year = {2017},
	month = {12/2017},
	pages = {671, 1-15},
	doi = {10.1038/s41598-017-00746-z},
	url = {http://www.nature.com/articles/s41598-017-00746-z},
	author = {Mastmeyer, Andr{\'e} and Fortmeier, Dirk and Heinz Handels}
}
