TY  - JOUR
A1  - Liu, X.
A1  - Ran, L.
A1  - Lin, W.
A1  - Xu, X.
A1  - Ma, Z.
A1  - Dong, F.
A1  - He, D.
A1  - Zhou, L.
A1  - Shi, Q.
A1  - Wang, Y.
T1  - Measurement report: Variations in surface SO2 and NOx mixing ratios from 2004 to 2016 at a background  site in the North China Plain
JO  - Atmos. Chem. Phys.
J1  - ACP
VL  - 22
IS  - 10
SP  - 7071
EP  - 7085
Y1  - 2022/06/01
PB  - Copernicus Publications
SN  - 1680-7324
UR  - https://acp.copernicus.org/articles/22/7071/2022/
L1  - https://acp.copernicus.org/articles/22/7071/2022/acp-22-7071-2022.pdf
DO  - 10.5194/acp-22-7071-2022
ER  -