Remote Sensing by Satellite GravimetryThomas Gruber, Annette Eicker, Frank Flechtner · First published 2021Open the Tome
Observation of the System Earth from Space - CHAMP, GRACE, GOCE and Future MissionsFrank Flechtner, Nico Sneeuw, Wolf-Dieter Schuh · First published 2013Open the Tome
System Earth via Geodetic-Geophysical Space TechniquesFrank M. Flechtner · First published 2010Open the Tome
