@misc{indiciae06e632f04605,
  title = {A direct pattern technique for posts and cores.},
  author = {N Stern},
  year = {1972},
  doi = {10.1016/0022-3913(72)90222-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4505851/},
  note = {Source identifier: 4505851}
}