@misc{indiciaefdc3f7c23665,
  title = {Air quality data from large cities.},
  author = {J M Baldasano and E Valera and P Jiménez},
  year = {2003},
  doi = {10.1016/s0048-9697(02)00537-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/12711431/},
  note = {Source identifier: 12711431}
}