목록 Secular polar motion observed by GRACE Journal Journal of Geodesy Vol 95:40 Author K.-W. Seo, J.-S. Kim, K. Youm, J. Chen and C. R. Wilson Year 2021 Date 202103 Link https://doi.org/10.1007/s00190-021-01476-x 623회 연결 K.-W. Seo, J.-S. Kim, K. Youm, J. Chen and C. R. Wilson, Secular polar motion observed by GRACE, Journal of Geodesy, 95:40, https://doi.org/10.1007/s00190-021-01476-x, 202103