TY - RPRT TI - Continuously variable hole injection in organic light emitting diodes. AU - Holger Frohne AU - David C Müller AU - Klaus Meerholz PY - 2002 DO - 10.1002/1439-7641(20020816)3:8<707::aid-cphc707>3.0.co;2-3 UR - https://pubmed.ncbi.nlm.nih.gov/12503154/ ID - 12503154 ER -