Carvalho, Ana CristinaMoreira, NunoLeitão, PaulaFontes, TâniaBarros, NelsonBorrego, Carlos2021-02-042021-02-0420051607-7962http://hdl.handle.net/10284/9344engWinter ozonePhotochemical air pollutionA winter ozone episode over Portugalother2021-01-25cv-prod-201328