@misc{indiciaeba09e28fefb2,
  title = {Pencil lead diameter affects response sheet completion time.},
  author = {B H Gordon and A J Velkey},
  year = {2000},
  doi = {10.2466/pms.2000.90.1.326},
  url = {https://pubmed.ncbi.nlm.nih.gov/10769918/},
  note = {Source identifier: 10769918}
}