Pfaltz, Andreas. “Control of Metal-Catalyzed Reactions by Organic Ligands: From Corrinoid and Porphinoid Metal Complexes to Tailor-Made Catalysts for Asymmetric Synthesis”. CHIMIA 44, no. 6 (June 27, 1990): 202. Accessed May 4, 2024. https://www.chimia.ch/chimia/article/view/1990_202.