@misc{indiciae010fa750914b,
  title = {An easily used ultra-violet microscope objective.},
  author = {M H F WILKINS and K P NORRIS},
  year = {1952},
  doi = {10.1038/170883a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13013242/},
  note = {Source identifier: 13013242}
}