@misc{indiciaea1cd395a74e8,
  title = {The stimulus trace gradient in visual discrimination learning.},
  author = {M P SMITH},
  year = {1951},
  doi = {10.1037/h0053669},
  url = {https://pubmed.ncbi.nlm.nih.gov/14873837/},
  note = {Source identifier: 14873837}
}