Paget, M. S. B., Chamberlin, L., Atrih, A., Foster, S. J., & Buttner, M. J. (1999). Evidence that the Extracytoplasmic Function Sigma Factor ς(E) Is Required for Normal Cell Wall Structure in Streptomyces coelicolor A3(2). American Society for Microbiology.

Paget, Mark S. B., Leony Chamberlin, Abdelmadjid Atrih, Simon J. Foster, và Mark J. Buttner. Evidence That the Extracytoplasmic Function Sigma Factor ς(E) Is Required for Normal Cell Wall Structure in Streptomyces Coelicolor A3(2). American Society for Microbiology, 1999.

Paget, Mark S. B., et al. Evidence That the Extracytoplasmic Function Sigma Factor ς(E) Is Required for Normal Cell Wall Structure in Streptomyces Coelicolor A3(2). American Society for Microbiology, 1999.