@inproceedings{eckermobilehci2009,
 author = {Ecker,, Ronald and Broy,, Verena and Butz,, Andreas and De Luca,, Alexander},
 title = {pieTouch: a direct touch gesture interface for interacting with in-vehicle information systems},
 booktitle = {MobileHCI '09: Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services},
 year = {2009},
 isbn = {978-1-60558-281-8},
 pages = {1--10},
 location = {Bonn, Germany},
 doi = {http://doi.acm.org/10.1145/1613858.1613887},
 publisher = {ACM},
 address = {New York, NY, USA},
 }