%0 Journal Article %T Helmert transformation strategies in analysis of GPS position time-series %A Guo,, Shiwei %A Shi,, Chuang %A Wei,, Na %A Li,, Min %A Fan,, Lei %A Wang,, Cheng %A Zheng,, Fu %J Geophysical Journal International %V 223 %N 2 %P 973-992 %@ 0956-540X %D 2020-11-01 %I The Royal Astronomical Society %~ DeepDyve