@misc{indiciaea0a0a4cd28e2,
  title = {[A classification system of precision attachments].},
  author = {S Gerardo Becerra and M M Entee},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3333905/},
  note = {Source identifier: 3333905}
}