@article{NiehorsterCornelissenHolmqvistetal.2017,
  author    = {Diederick C. Niehorster and Tim Cornelissen and Kenneth Holmqvist and Ignace Hooge and Roy S. Hessels},
  title     = {What to expect from your remote eye-tracker when participants are unrestrained},
  journal   = {Behavior research methods},
  volume    = {50},
  pages     = {213 -- 227},
  doi       = {10.3758/s13428-017-0863-0},
  year      = {2017},
}