@article{StapelHunniusBekkeringetal.2015,
  author    = {Janny C. Stapel and Sabine Hunnius and Harold Bekkering and Oliver Lindemann},
  title     = {The development of numerosity estimation: Evidence for a linear number representation early in life},
  journal   = {Journal of cognitive psychology},
  volume    = {27},
  number    = {4},
  pages     = {400 -- 412},
  doi       = {10.1080/20445911.2014.995668},
  year      = {2015},
}