@misc{indiciae648d680ef232,
  title = {Discrimination learning during the first year: stimulus and positional cues.},
  author = {J Colombo and D W Mitchell and J T Coldren and J D Atwater},
  year = {1990},
  doi = {10.1037//0278-7393.16.1.98},
  url = {https://pubmed.ncbi.nlm.nih.gov/2136753/},
  note = {Source identifier: 2136753}
}