@misc{indiciaeee2913fa2cf7,
  title = {The water-immersion objective.},
  author = {W G HARTLEY},
  doi = {10.1111/j.1365-2818.1958.tb02055.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14400128/},
  note = {Source identifier: 14400128}
}