Ambient air SO2 patterns in 6 European citiesJournal articleSusann Henschel, Xavier Querol, Richard Atkinson, Marco Pandolfi, Ariana Zeka, Alain Le Tertre, Antonis Analitis, Klea Katsouyanni, Olivier Chanel, Mathilde Pascal, et al., Atmospheric Environment, Volume 79, pp. 236-247, 2013
