@misc{indiciae46dd88bc1ec8,
  title = {Contrast and spatial-frequency requirements for emmetropization in chicks.},
  author = {K L Schmid and C F Wildsoet},
  year = {1997},
  doi = {10.1016/s0042-6989(97)00014-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9327048/},
  note = {Source identifier: 9327048}
}