1. Poupard JA, Husain I, Norris RF (1973) Biology of the bifidobacteria. Bacteriol Rev 37:136e165
2. Orla-Jensen MLD (1924) La classification des bactéries lactiques. Lait 4:468e474
3. Ventura M, Canchaya C, Tauch A, Chandra G, Fitzgerald GF, Chater KF et al (2007) Genomics of Actinobacteria: tracing the evolutionary history of an ancient phylum. Microbiol Mol Biol Rev 71(3):495–548
4. Scardovi V (1986) Bifidobacterium. In: Sneath PH, Mair NS, Sharpe ME, Holt JG (eds) Bergey’s manual of systematic bacteriology, vol 2, 9th edn. Williams and Wilkins Publishers, Baltimore
5. Roy D (2001) Media for the isolation and enumeration of bifidobacteria in dairy products. Int J Food Microbiol 69:167–182