Levit, Mikhail, Thorsten Grebe, and Jeffry Stock. “Organization of the Receptor-Kinase Signaling Array That Regulates Escherichia Coli Chemotaxis..” J Biol Chem 277.39 (2002): 36748–54.

Park, Sungsu et al. “Influence of Topology on Bacterial Social Interaction..” Proc Natl Acad Sci U S A 100.24 (2003): 13910–5.