@Article{Yin2022,
author="Yin, Q.
and Ma, Q.
and Lin, W.
and Xu, X.
and Yao, J.",
title="Measurement report: Long-term variations in surface NOx and SO2 mixing ratios from 2006 to 2016 at a background site in the Yangtze River Delta region, China",
journal="Atmos. Chem. Phys.",
year="2022",
month="Jan",
day="21",
publisher="Copernicus Publications",
volume="22",
number="2",
pages="1015--1033",
issn="1680-7324",
doi="10.5194/acp-22-1015-2022",
url="https://acp.copernicus.org/articles/22/1015/2022/",
url="https://acp.copernicus.org/articles/22/1015/2022/acp-22-1015-2022.pdf",
url="https://doi.org/10.5194/acp-22-1015-2022"
}