@misc{indiciaebee30a583f2f,
  title = {Multichannel photometer-nephelometer.},
  author = {F Keilmann and D Böhme and L Santo},
  year = {1980},
  doi = {10.1128/aem.40.3.458-461.1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6999988/},
  note = {Source identifier: 6999988}
}