@article{SchraderRiessVestweberetal.1998, author = {Schrader, Sigurd and Rieß, Walter and Vestweber, H. and Koch, Norbert}, title = {New polymeric heterolayer systems for efficient light-emitting devices}, year = {1998}, language = {en} } @article{RossiAlvaradoRiessetal.2000, author = {Rossi, L. and Alvarado, Santos F. and Rieß, Walter and Schrader, Sigurd and Lidzey, D. G. and Bradley, D. D. C.}, title = {Influence of alkoxy substituents on the exciton binding energy of conjugated polymers}, year = {2000}, language = {en} }