1. Incompatibility groups and the classification of fi- resistance factors;Chabbert Y. A.;J. Bacteriol.,1972
2. Clowes R. C. and W. Hayes. 1968. Experiments in microbial genetics. Blackwell Scientific Publications Oxford.
3. Fitton J. E. L. C. Packman S. Harford Y. Za and W. V. Shaw. 1978. Plasmids and the evolution of chloramphenicol resistance p. 249-252. In D. Schlessinger (ed.) Microbiology-1978. American Society for Microbiology Washington D.C.
4. Phenotypic characterization of R-factor tetracycline resistance determinants;Foster T. J.;Genet. Res.,1974
5. Chloramphenicol resistance that does not involve chloramphenicol acetyltransferase encoded by plasmids from gramnegative bacteria;Gaffhey D. F.;J. Gen. Microbiol.,1981