@misc{indiciae11bbfe8e11c0,
  title = {A technique for using parallel pins.},
  author = {S L Sobel},
  year = {1968},
  doi = {10.1016/0022-3913(68)90191-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4880423/},
  note = {Source identifier: 4880423}
}