Ragsdale Stephen W. Metals and Their Scaffolds To Promote Difficult Enzymatic Reactions. Chem. Rev. 2006, 106 (8): 3317–3337. PMID 16895330. doi:10.1021/cr0503153.
Paul A. Lindahl "Nickel-Carbon Bonds in Acetyl-Coenzyme A Synthases/Carbon Monoxide Dehydrogenases" Met. Ions Life Sci. 2009, volume 6, pp. 133–150. doi:10.1039/9781847559159-00133
Ragsdale Stephen W. Metals and Their Scaffolds To Promote Difficult Enzymatic Reactions. Chem. Rev. 2006, 106 (8): 3317–3337. PMID 16895330. doi:10.1021/cr0503153.