C. Harrison and S. E. Hudson, Abracadabra, Proceedings of the 22nd annual ACM symposium on User interface software and technology, UIST '09, pp.121-124, 2009.
DOI : 10.1145/1622176.1622199

Y. Zhang, J. Zhou, and G. Laput, SkinTrack, Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems, CHI '16, pp.1491-1503, 2016.
DOI : 10.1145/2807442.2807480

R. Nandakumar, V. Iyer, and D. Tan, Using Active Sonar for Fine-Grained Finger Tracking, Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems, pp.1515-1525, 2016.

C. Sony-mobile and . Inc, Sony Smart Watch 3 SWR50, Sony Mobile Communications Inc. ? online ? , available from ? https://www.sonymobile.com/global- en/products/smart-products/smartwatch-3-swr50, pp.2017-2023