@inproceedings{Kratz:2009:hoverFlow,
 author = {Kratz, Sven and Rohs, Michael},
 title = {HoverFlow: Expanding the Design Space of Around-Device Interaction},
 booktitle = {Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services},
 series = {MobileHCI '09},
 year = {2009},
 isbn = {978-1-60558-281-8},
 location = {Bonn, Germany},
 pages = {31--38},
 articleno = {4},
 numpages = {8},
 url = {http://doi.acm.org/10.1145/1613858.1613864},
 doi = {http://doi.acm.org/10.1145/1613858.1613864},
 acmid = {1613864},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {around-device interaction, gestures, mobile devices, proximity sensors, wearable devices}
}