@misc{indiciaeaba294a50ef8,
  title = {Double-duty angle guide.},
  author = {S H Karas},
  year = {1990},
  doi = {10.1007/bf00182649},
  url = {https://pubmed.ncbi.nlm.nih.gov/2076923/},
  note = {Source identifier: 2076923}
}