@misc{indiciae9dfe019dfb32,
  title = {A surveying optical diffractometer.},
  author = {E D Salmon and D DeRosier},
  year = {1981},
  doi = {10.1111/j.1365-2818.1981.tb02468.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7299811/},
  note = {Source identifier: 7299811}
}