1. Colony incompatibility in bacteria;Bettelheim;Nature, London,1976
2. Typing methods for Pseudomonas aeruginosa;Brokopp,1979
3. Bacteriocin typing of Pseudomonas, Proteus, and Klebsiella-Enterobacter-Serratia;Farmer,1974
4. Standardization and automation in biotyping;Farmer,1978
5. Biochemical identification of new species and biogroups of Enterobacteriaceae isolated from clinical specimens;Farmer;Journal of Clinical Microbiology,1985