@misc{indiciaed363b0df233a,
  title = {Light onset or offset contingencies within a simple or complex environment.},
  author = {M E Meyer},
  year = {1968},
  doi = {10.1037/h0026367},
  url = {https://pubmed.ncbi.nlm.nih.gov/5722075/},
  note = {Source identifier: 5722075}
}