Ivashchenko, A. V. Dyes in liquid crystals A. V. Ivashchenko and V. G. Rumyantsev - New York Gordon and Breach Science Publishers 1987 - 167 p. : ill. ; 24 cm. ISBN: 2881242448 Subjects--Topical Terms: Dyes and dyeingOptical brightenersLiquid crystal devicesDichroic dyes