@article{HartmannMastFischer2016,
  author    = {Matthias Hartmann and Fred W. Mast and Martin H. Fischer},
  title     = {Counting is a spatial process: evidence from eye movements},
  journal   = {Psychological research : an international journal of perception, attention, memory, and action},
  volume    = {80},
  pages     = {399 -- 409},
  doi       = {10.1007/s00426-015-0722-5},
  year      = {2016},
}