@data{10.12072/ncdc.azs.db3027.2023,
title = {Observational data of gravity Earth tide during the 7th Antarctic expedition in China from 1990 to 1991},
author = {Hu hongqiao},
url = {http://www.ncdc.ac.cn/portal/metadata/75c69890-a98d-40ff-a624-a90500cc6613},
cstr = {11738.11.ncdc.Azs.2020.262},
doi = {10.12072/ncdc.azs.db3027.2023},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}