@data{10.12072/ncdc.lfs.db2921.2023, title = {Monthly Average Value of Total Ozone Column in Longfengshan,Heilongjian,1993-2010}, author = {Zhang Xiaochun}, url = {http://www.ncdc.ac.cn/portal/metadata/049c9058-0d1d-11e6-af40-5cc5d45ad3ae}, cstr = {11738.11.ncdc.Lfs.2020.25}, doi = {10.12072/ncdc.lfs.db2921.2023}, journal = {National Cryosphere Desert Data Center}, publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)} }