@conference {buethe14a,
	title = {RFID-die: Battery-free Orientation Sensing Using an Array of Passive Tilt Switches},
	booktitle = {Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct Publication},
	series = {UbiComp {\textquoteright}14 Adjunct},
	year = {2014},
	pages = {215{\textendash}218},
	publisher = {ACM},
	organization = {ACM},
	address = {New York, NY, USA},
	keywords = {activity recognition, battery-free, die, orientation sensing, RFID, tilt switch, wireless},
	isbn = {978-1-4503-3047-3},
	doi = {10.1145/2638728.2638733},
	url = {http://doi.acm.org/10.1145/2638728.2638733},
	author = {B{\"u}the, Lars and Hardegger, Michael and Br{\"u}lisauer, Patrick and Tr{\"o}ster, Gerhard}
}
