Burr, T., Mitchell, J., Kolb, A., Minchin, S., & Busby, S. (2000). DNA sequence elements located immediately upstream of the –10 hexamer in Escherichia coli promoters: A systematic study. Oxford University Press.

Burr, Tom, Jennie Mitchell, Annie Kolb, Steve Minchin, and Steve Busby. DNA Sequence Elements Located Immediately Upstream of the –10 Hexamer in Escherichia Coli Promoters: A Systematic Study. Oxford University Press, 2000.

Burr, Tom, et al. DNA Sequence Elements Located Immediately Upstream of the –10 Hexamer in Escherichia Coli Promoters: A Systematic Study. Oxford University Press, 2000.