Observation of a Large Landslide on La Reunion Island Using Differential Sar Interferometry (JERS and Radarsat) and Correlation of Optical (Spot5 and Aerial) Images. - Christophe Delacourt; Daniel Raucoules; Stéphane Le Mouélic; Claudie Carnec; Denis Feurer; Pascal Allemand; Marc Cruchet (Sensors, 2009)