@misc{indiciae1f025ef23edd,
  title = {Monitoring ground-level air for trace analysis: methods and results.},
  author = {J Bieringer and C Schlosser},
  year = {2004},
  doi = {10.1007/s00216-004-2499-z},
  url = {https://pubmed.ncbi.nlm.nih.gov/14758466/},
  note = {Source identifier: 14758466}
}