@misc{indiciae7471c2cd6ee3,
  title = {The least square method applied to surface contamination evaluation.},
  author = {M Borroni and U Cerchiari and R Marchesini and A E Sichirollo},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7068397/},
  note = {Source identifier: 7068397}
}