Torus Approach in Gravity Field Determination from Simulated GOCE Observations
LIU Huanling, WEN Hanjiang, XU Xinyu, ZHU Guangbin
Acta Geodaetica et Cartographica Sinica . 2015, (9): 965 -972 .  DOI: 10.11947/j.AGCS.2015.20150110