@misc{indiciae2897ed892614,
  title = {The operating microscope. I. Optical principles, illumination systems, and support systems.},
  author = {P Hoerenz},
  doi = {10.1002/micr.1920010506},
  url = {https://pubmed.ncbi.nlm.nih.gov/7441164/},
  note = {Source identifier: 7441164}
}