@misc{indiciaec188253cfa4f,
  title = {Rhythmic activity in frog (Rana pipiens) visual system.},
  author = {L W Kline and S G Pickering},
  year = {1974},
  doi = {10.1007/bf01938997},
  url = {https://pubmed.ncbi.nlm.nih.gov/4547296/},
  note = {Source identifier: 4547296}
}