Maeda, H., Jishage, M., Nomura, T., Fujita, N., & Ishihama, A. (2000). Two Extracytoplasmic Function Sigma Subunits, ς(E) and ς(FecI), of Escherichia coli: Promoter Selectivity and Intracellular Levels. American Society for Microbiology.

Maeda, Hiroto, Miki Jishage, Tasuku Nomura, Nobuyuki Fujita, and Akira Ishihama. Two Extracytoplasmic Function Sigma Subunits, ς(E) and ς(FecI), of Escherichia Coli: Promoter Selectivity and Intracellular Levels. American Society for Microbiology, 2000.

Maeda, Hiroto, et al. Two Extracytoplasmic Function Sigma Subunits, ς(E) and ς(FecI), of Escherichia Coli: Promoter Selectivity and Intracellular Levels. American Society for Microbiology, 2000.