● Rossau R,Kersters K,Falsen E,Jantzen E,Segers P,Union A,Nehls L,De Ley J (1987). Oligella, a New Genus Including Oligella urethralis comb. nov. (Formerly Moraxella urethralis) and Oligella ureolytica sp. nov. (Formerly CDC Group IVe): Relationship to Taylorella equigenitalis and Related Taxa. Int. J. Syst. Bacteriol. 37, 198-210.
