1. Edwards' and Ewing's Identification of the Enterobacteriaceae;Ewing,1986
2. Bacterial Polysaccharides;Kenne,1983
3. Genetic Stracture and Variation in Natural Populations of Escherichia coli;Selander,1987
4. Escherichia coli in Human and Animal Disease;Sussman,1985
5. Special O:K:H serotypes among enterotoxigenicE. coli strains from diarrhea in adults and children