@misc{indiciaed3c2802fc660,
  title = {Improvements in bracket base design.},
  author = {D C Smith and R Maijer},
  year = {1983},
  doi = {10.1016/0002-9416(83)90222-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6340515/},
  note = {Source identifier: 6340515}
}