@unpublished{TUW-176179, author = {Hollaus, Markus and Doubkova, Marcela and H{\"o}fle, Bernhard and Sabel, Daniel and Wagner, Wolfgang}, title = {Estimating terrain roughness from TerraSAR-X and ALS data}, year = {2009}, note = {talk: Abschlusspr{\"a}sentation des Projekts ''Umweltanwendungen von TerraSAR-X'', Wien; 2009-06-29} }