1. Center for Space Research; University of Texas at Austin; Austin Texas USA
2. Department of Geological Sciences, Jackson School of Geosciences; University of Texas at Austin; Austin Texas USA
3. P.P. Shirshov Institute of Oceanology; Moscow Russia
4. Laboratory of Integrated Studies of Water Resources; S.Yu. Witte Moscow University; Moscow Russia
5. Legos/CNES; Toulouse France
6. Department of the Caspian Sea Level Problem; Institute of Geography; Baku Azerbaijan