Lee, M. H., Mulrooney, S. B., Renner, M. J., Markowicz, Y., & Hausinger, R. P. (1992). Klebsiella aerogenes urease gene cluster: Sequence of ureD and demonstration that four accessory genes (ureD, ureE, ureF, and ureG) are involved in nickel metallocenter biosynthesis.

Lee, M H., S B. Mulrooney, M J. Renner, Y. Markowicz, and R P. Hausinger. Klebsiella Aerogenes Urease Gene Cluster: Sequence of UreD and Demonstration That Four Accessory Genes (ureD, UreE, UreF, and UreG) Are Involved in Nickel Metallocenter Biosynthesis. 1992.

Lee, M H., et al. Klebsiella Aerogenes Urease Gene Cluster: Sequence of UreD and Demonstration That Four Accessory Genes (ureD, UreE, UreF, and UreG) Are Involved in Nickel Metallocenter Biosynthesis. 1992.