Absorption and luminescence spectra of electroluminescent liquid crystals with triphenylene, pyrene and perylene units
S. Keuker-Baumann, H. Bock, F.D. Sala, S.A. Benning, T. Haßheider, T. Frauenheim, H.-S. Kitzerow, Liquid Crystals 28 (2002) 1105–1113.