Zachariasse, K. A., Grobys, M., von der Haar, T., Hebecker, A., Ilichev, Y. V., Jiang, Y. B., Morawski, O., & Kuehnle, W. (1996). Intramolecular charge transfer in the excited state. Kinetics and configurational changes. Journal of Photochemistry and Photobiology A-Chemistry, 102(1), 59-70.