@unpublished{TUW-201835, author = {Dorigo, Wouter and van Oevelen, Peter and Wagner, Wolfgang and Jackson, Tom and De Jeu, Richard and Robock, Alan}, title = {Towards a soil moisture climate data record in support of GCOS: where are we?}, year = {2011}, note = {talk: WCRP Open Science Conference, Denver, CO, USA; 2011-10-24 -- 2011-10-28} }