@misc{indiciaed90383e558f1,
  title = {Subitizing: direct apprehension or serial processing?},
  author = {C L Folk and H Egeth and H W Kwak},
  year = {1988},
  doi = {10.3758/bf03210412},
  url = {https://pubmed.ncbi.nlm.nih.gov/3226878/},
  note = {Source identifier: 3226878}
}