Sayers, Jon R. (1994). „Computer Aided Identification of a Potential 5′-3′ Exonuclease Gene Encoded by Escherichia coli”. Journal of Theoretical Biology170 (4): 415–21. DOI:10.1006/jtbi.1994.1202. PMID7996866.
Sayers, Jon R. (1994). „Computer Aided Identification of a Potential 5′-3′ Exonuclease Gene Encoded by Escherichia coli”. Journal of Theoretical Biology170 (4): 415–21. DOI:10.1006/jtbi.1994.1202. PMID7996866.