@misc{indiciaebaacf7655c66,
  title = {Clean up procedures for PCB analysis on river water extracts.},
  author = {M Ahnoff and B Josefsson},
  year = {1975},
  doi = {10.1007/bf01721730},
  url = {https://pubmed.ncbi.nlm.nih.gov/804941/},
  note = {Source identifier: 804941}
}