@misc{indiciae999e2cb3deac,
  title = {Plumb goniometer.},
  author = {M E Kurzweil},
  year = {1968},
  doi = {10.7547/87507315-58-6-251},
  url = {https://pubmed.ncbi.nlm.nih.gov/5658531/},
  note = {Source identifier: 5658531}
}