TY - JOUR A1 - Schrader, Sigurd A1 - Imperia, Paolo A1 - Koch, Norbert A1 - Leising, G. A1 - Falk, B. T1 - Organic Light-emitting devices based on new heterocyclic compounds Y1 - 1999 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/21418 ER -