@misc{indiciae57164719dec0,
  title = {Do letter features migrate? A note of caution.},
  author = {B E Butler and I R Morrison},
  year = {1984},
  doi = {10.1007/bf00308885},
  url = {https://pubmed.ncbi.nlm.nih.gov/6494376/},
  note = {Source identifier: 6494376}
}