@misc{indiciaefd339d9503e5,
  title = {[Concentrating tubes for taking gas samples].},
  author = {V Ia Al'perovich and B I Koshovskiĭ and A N Zaborskaia},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7390237/},
  note = {Source identifier: 7390237}
}