Schuster, Oliver, Laszlo Mercs, and Martin Albrecht. “The Potential of N-Heterocyclic Carbene Complexes As Components for Electronically Active Materials”. CHIMIA 64, no. 3 (March 31, 2010): 184. Accessed April 29, 2025. https://www.chimia.ch/chimia/article/view/2010_184.