@misc{indiciae39094c9896d6,
  title = {Letter: Solution on reciprocity.},
  author = {M W Aldridge},
  year = {1975},
  doi = {10.14219/jada.archive.1975.0490},
  url = {https://pubmed.ncbi.nlm.nih.gov/1057610/},
  note = {Source identifier: 1057610}
}