%0 Journal Article %T Organic light-emitting devices based on new heterocyclic compounds %A Schrader, Sigurd K. %A Koch, Norbert %A Falk, B. %J Proceedings of SPIE %V 3797 %N 1 %P 209-220 %@ 0277-786X %D 1999-12-17 %I SPIE %~ DeepDyve