Absolute Calibration or Validation of the Altimeters on the Sentinel-3A and the Jason-3 over Lake Issykkul (Kyrgyzstan). - Jean-François Crétaux; Muriel Bergé-Nguyen; Stéphane Calmant; Nurzat Jamangulova; Rysbek Satylkanov; Florent Lyard; Félix Perosanz; Jacques Verron; Amanda Samine Montazem; Gianfranco Le Guilcher; Delphine J. Leroux; Joel Barrie; et al. (Remote. Sens., 2018)