@misc{indiciae022992d1400f,
  title = {The effect of external representations on numeric tasks.},
  author = {Jiajie Zhang and Hongbin Wang},
  year = {2005},
  doi = {10.1080/02724980443000340},
  url = {https://pubmed.ncbi.nlm.nih.gov/16194937/},
  note = {Source identifier: 16194937}
}