@article{2drtowardsfinegrained2drfidtouch,
  title = {2DR: Towards Fine-Grained 2-D RFID Touch Sensing},
  year = {2018},
  eprint = {1808.08808},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1808.08808v1},
}