@misc{indiciae8dcd61125f2d,
  title = {Curve tracing: a possible basic operation in the perception of spatial relations.},
  author = {P Jolicoeur and S Ullman and M Mackay},
  year = {1986},
  doi = {10.3758/bf03198373},
  url = {https://pubmed.ncbi.nlm.nih.gov/3724444/},
  note = {Source identifier: 3724444}
}