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Tobías, Aurelio; Carnerero, Cristina; Reche, Cristina; Massagué, Jordi; Via, Marta; Minguillón, María Cruz; Alastuey, Andrés; Querol, Xavier (2020). Changes in air quality during the lockdown in Barcelona (Spain) one month into the SARS-CoV-2 epidemic. Science of The Total Environment, 726(), 138540–. doi:10.1016/j.scitotenv.2020.138540 

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