@misc{indiciae15160f5ec3bf,
  title = {Plebiscite on fee variations.},
  year = {1972},
  doi = {10.5694/j.1326-5377.1972.tb108032.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5029192/},
  note = {Source identifier: 5029192}
}