1. Aiso, K., Simidu, U., and Hasuo, K., Microflora in the Digestive Tract of Inshore Fish in Japan, J. Gen. Microbiol., 1968, vol. 52, pp. 361–364.
2. Al-Harbi, A.H. and Uddin, M.N., Seasonal Variation in the Intestinal Bacterial Flora of Hybrid Tilapia (Oreochromis niloticus × Oreochromis aureus) Cultured in Earthen Ponds in Saudi Arabia, Aquaculture, 2004, vol. 229, pp. 37–44.
3. Annotirovannyi katalog kruglorotykh i ryb kontinental’nykh vod Rossii (Annotated Catalogue of Cyclostomes and Fishes Inhabiting Continental Waters of Russia), Moscow: Nauka, 1998.
4. Aschehoug, V. and Vesterhus, R., Investigation of the Bacterial Flora of Fresh Herring, Zbl. Bakt. Parasitenkd., 1943, vol. 32, pp. 5–9.
5. Atlas presnovodnykh ryb Rossii (Atlas of Freshwater Fishes of Russia), Reshetnikov, Yu.S., Ed., Moscow: Nauka, 2002.