TY - JOUR A1 - Cliff, S. J. A1 - Drysdale, W. A1 - Lee, J. D. A1 - Helfter, C. A1 - Nemitz, E. A1 - Metzger, S. A1 - Barlow, J. F. T1 - Pandemic restrictions in 2020 highlight the significance of non-road NOx sources in central London JO - Atmos. Chem. Phys. J1 - ACP VL - 23 IS - 4 SP - 2315 EP - 2330 Y1 - 2023/02/17 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/23/2315/2023/ L1 - https://acp.copernicus.org/articles/23/2315/2023/acp-23-2315-2023.pdf DO - 10.5194/acp-23-2315-2023 ER -