● Farrow JAE,Kruze J,Phillips BA,Bramley AJ,Collins MD (1984). Taxonomic studies on Streptococcus bovis and Streptococcus equinus : Description of Streptococcus alactolyticus sp.nov. and Streptococcus saccharolyticus sp.nov. Syst. Appl. Microbiol. 5, 467-482.
● Robinson IM,Stromley JM,Varel VH,Cato EP (1988). Streptococcus intestinalis, a new species from the colons and feces of pigs. Int J Syst Bacteriol 38, 245-248.
