@data{10.7910/DVN/YFVLHV, title = {Replication Data for: Measurement report: Variations in surface SO2 and NOx mixing ratios from 2004 to 2016 at a background site in the North China Plain}, author = {LIn Weili}, url = {http://www.ncdc.ac.cn/portal/metadata/52189601-6c67-4cb6-8fd1-801289515ded}, cstr = {11738.11.NCDC.DVN.DB6525.2024}, doi = {10.7910/DVN/YFVLHV}, journal = {National Cryosphere Desert Data Center}, publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)} }