@inproceedings{schoening2009handsfeet,
 author = {Sch\"{o}ning, Johannes and Daiber, Florian and Kr\"{u}ger, Antonio and Rohs, Michael},
 title = {Using Hands and Feet to Navigate and Manipulate Spatial Data},
 booktitle = {Proceedings of the 27th international conference extended abstracts on Human factors in computing systems},
 series = {CHI '09},
 year = {2009},
 isbn = {978-1-60558-247-4},
 location = {Boston, MA, USA},
 pages = {4663--4668},
 numpages = {6},
 url = {http://doi.acm.org/10.1145/1520340.1520717},
 doi = {http://doi.acm.org/10.1145/1520340.1520717},
 acmid = {1520717},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {foot interaction, geographic information system (gis), large screens, multi-touch, multitouch, spatial data, tangible interfaces},
}