@data{10.12072/ncdc.lfs.db2923.2023, title = {Daily Average Value of Sulfur Dioxide at Longfengshan Atmospheric Background Station in Heilongjiang Province in 2005}, author = {Zhang Xiaochun}, url = {http://www.ncdc.ac.cn/portal/metadata/062a2aa2-0d1d-11e6-af40-5cc5d45ad3ae}, cstr = {11738.11.ncdc.Lfs.2020.27}, doi = {10.12072/ncdc.lfs.db2923.2023}, journal = {National Cryosphere Desert Data Center}, publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)} }