@misc{indiciae6bf8ad01a66b,
  title = {Efficiency of graphical perception.},
  author = {G E Legge and Y C Gu and A Luebker},
  year = {1989},
  doi = {10.3758/bf03204990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2798030/},
  note = {Source identifier: 2798030}
}