@unpublished{TUW-120371, author = {Jobst, Markus}, title = {{\"U}berlegungen f{\"u}r perzeptive Gr{\"o}{\ss}en in multimedialen 3D Karten}, year = {2006}, note = {talk: GeoVIS2006, Potsdam; 2006-04-05 -- 2006-04-06} }