@misc{indiciae44a744406708,
  title = {Systems model for pupil size effect. II. Feedback model.},
  author = {W C Krenz and L Stark},
  year = {1985},
  doi = {10.1007/bf00350779},
  url = {https://pubmed.ncbi.nlm.nih.gov/3995096/},
  note = {Source identifier: 3995096}
}