@unpublished{TUW-236603, author = {Vreugdenhil, Mariette and Wagner, Wolfgang and Dorigo, Wouter and De Jeu, Richard and Hahn, Sebastian}, title = {Linking vegetation parameters derived from active and passive microwave observations}, year = {2014}, note = {talk: Satellite soil moisture validation {\&} application workshop 2014, Amsterdam, the Netherlands; 2014-07-10 -- 2014-07-11} }