@misc{indiciae188101b0301b,
  title = {Relation between accommodation and minimal gradient.},
  author = {J USHIYAMA and C M BROOKS},
  year = {1961},
  doi = {10.3181/00379727-108-26984},
  url = {https://pubmed.ncbi.nlm.nih.gov/13923972/},
  note = {Source identifier: 13923972}
}