@inproceedings{Sridhar2015,
 author = {Sridhar, Srinath and Feit, Anna Maria and Theobalt, Christian and Oulasvirta, Antti},
 title = {Investigating the Dexterity of Multi-Finger Input for Mid-Air Text Entry},
 booktitle = {Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems},
 series = {CHI '15},
 year = {2015},
 isbn = {978-1-4503-3145-6},
 location = {Seoul, Republic of Korea},
 pages = {3643--3652},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/2702123.2702136},
 doi = {10.1145/2702123.2702136},
 acmid = {2702136},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {fitts' law, freehand input, mid-air interaction, text entry},
}