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APA Citation
Gu, J., Deffner, V., Küchenhoff, H., Pickford, R., Breitner, S., Schneider, A., Kowalski, M., Peters, A., Lutz, M., Kerschbaumer, A., Slama, R., Morelli, X., Wichmann, H., & Cyrys, J. (2022). low emission zones reduced PM10 but not NO2 concentrations in Berlin and Munich, Germany. Journal of environmental management, 302, . http://access.bl.uk/ark:/81055/vdc_100146766668.0x000048