[1] German Aerosp Ctr DLR Berlin, Inst Planetary Res, D-12489 Berlin, Germany
[2] INTA, Madrid 28850, Spain
[3] German Aerosp Ctr DLR Bremen, Bremen, Germany
[4] Tech Univ Berlin, Inst Opt & Atomare Phys, D-10623 Berlin, Germany
[5] Univ Roma Tor Vergata, Rome, Italy
[6] DLR, Cologne, Germany
[7] Univ Orleans, F-45067 Orleans, France
[8] TFH Wildau, Wildau, Germany
[9] Museum Nat Kunde, Berlin, Germany
[10] Univ Tuscia, Viterbo, Italy
[11] Acad Sci, Kiev, Ukraine
[12] Fraunhofer IBMT, Potsdam, Germany
[13] ESA ESTEC, Noordwijk, Netherlands
[14] Univ Edinburgh, Edinburgh EH8 9YL, Midlothian, Scotland
[15] GFZ Potsdam, Potsdam, Germany
[16] AWI, Potsdam, Germany
[17] Univ Bradford, Bradford BD7 1DP, W Yorkshire, England
[18] Univ Potsdam, Potsdam, Germany
[19] Leiden Univ, Leiden, Netherlands
[20] Univ Dusseldorf, Inst Bot, Dusseldorf, Germany
[21] TU Berlin, Berlin, Germany