Kröcher, Oliver, René A. Köppel, and Alfons Baiker. 1997. “Novel Homogeneous and Heterogeneous Catalysts for the Synthesis of Formic-Acid Derivatives from CO₂: Computer-Assisted Drug Design”. CHIMIA 51 (1-2): 48. https://doi.org/10.2533/chimia.1997.48.