@article{Guerreiro2014,
author = "C. B. B. Guerreiro and V. Foltescu and F. Leeuw",
doi = "10.1016/j.atmosenv.2014.09.017",
journal = "Atmos Environ",
title = "{A}ir quality status and trends in {E}urope",
url = "https://doi.org/10.1016/j.atmosenv.2014.09.017",
volume = "98",
year = "2014",
}