Links[1] http://www.gaia-clim.eu/system/files/workpkg_files/D3.3%20Review%20and%20Input%20to%20GAID%20aspects%20relevant%20to%20WP3.pdf [2] http://www.gaia-clim.eu/project-structure/wp3 [3] http://www.gaia-clim.eu/content-access/public-content