● Ezaki M,Muramatsu H,Takase S,Hashimoto M,Nagai K (2008). Naphthalecin, a novel antibiotic produced by the anaerobic bacterium, Sporotalea colonica sp. nov.
J. Antibiot. 61, 207-12.
● Riegel P,Ruimy R,de Briel D,Prévost G,Jehl F,Christen R,Monteil H (1995). Taxonomy of Corynebacterium diphtheriae and related taxa, with recognition of Corynebacterium ulcerans sp. nov. nom. rev.
FEMS Microbiol. Lett. 126, 271-6.
● Gilbert R,Stewart FC (1927). Corynebacterium ulcerans; a pathogenic micro-organism resembling Corynebacterium diphtheria.
J. Lab. Clin. Med. 12, 756-761.