Collins J (1981). "Instability of palindromic DNA in Escherichia coli". Cold Spring Harbor Symposia on Quantitative Biology. 45 Pt 1: 409–16. doi:10.1101/SQB.1981.045.01.055. PMID6271486.
Collins J (1981). "Instability of palindromic DNA in Escherichia coli". Cold Spring Harbor Symposia on Quantitative Biology. 45 Pt 1: 409–16. doi:10.1101/SQB.1981.045.01.055. PMID6271486.