Grimont, P.A.D., Farmer III, J.J., Grimont, F., Asbury, M.A., Brenner, D.J., Deval, C. 1983. Ewingella americana gen. nov., sp. nov., a new Enterobacteriaceae isolated from clinical specimens. Ann. Microbiol. (Inst. Pasteur). 134 A : 39-52.