@misc{indiciaea77185653097,
  title = {Developments in sampling and analysis instrumentation for stationary sources.},
  author = {J S Nader},
  year = {1973},
  doi = {10.1080/00022470.1973.10469811},
  url = {https://pubmed.ncbi.nlm.nih.gov/4710936/},
  note = {Source identifier: 4710936}
}