Bouman, Johannes
Ebbing, Jörg
Fuchs, Martin
Sebera, Josef
Lieb, Verena
Szwillus, Wolfgang
Haagmans, Roger
Novak, Pavel
Article History
Received: 4 August 2015
Accepted: 18 January 2016
First Online: 11 February 2016
Competing interests
: ESA supported the GOCE + GeoExplore and GOCE + GDC studies as part of ESA’s Support to Science Element (STSE).