1. Linkage map of Escherichia K-12, edition 8;Bachmann;Microbiol Rev,1990
2. Linkage map of Escherichia coli K-12, edition 9;Berlyn,1996
3. Appendix B;Ingraham,1983
4. Functions of the gene products of E. coli;Riley;Microbiol Rev,1993
5. E. coli gene products: physiological functions and common ancestries;Riley,1996