Blanche, F., Couder, M., Debussche, L., Thibaut, D., Cameron, B., & Crouzet, J. (1991). Biosynthesis of vitamin B12: Stepwise amidation of carboxyl groups b, d, e, and g of cobyrinic acid a,c-diamide is catalyzed by one enzyme in Pseudomonas denitrificans.

Blanche, F., M. Couder, L. Debussche, D. Thibaut, B. Cameron, و J. Crouzet. Biosynthesis of Vitamin B12: Stepwise Amidation of Carboxyl Groups B, D, E, and G of Cobyrinic Acid A,c-diamide Is Catalyzed By One Enzyme in Pseudomonas Denitrificans. 1991.

Blanche, F., et al. Biosynthesis of Vitamin B12: Stepwise Amidation of Carboxyl Groups B, D, E, and G of Cobyrinic Acid A,c-diamide Is Catalyzed By One Enzyme in Pseudomonas Denitrificans. 1991.