@misc{indiciaec2e8278c6c96,
  title = {Task decision difficulty: effects on ERPs in a same-different letter classification task.},
  author = {B Palmer and V T Nasman and G F Wilson},
  year = {1994},
  doi = {10.1016/0301-0511(94)90039-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/7873703/},
  note = {Source identifier: 7873703}
}