1. Benning, H., A History of Lactic Acid Making, Dordrecht, Netherlands: Kluwer, 1990.
2. Smirnov, V.A., Pishchevye kisloty (Edible Acids), Moscow: Legkaya i Pishchevaya Prom–st., 1983.
3. Mirasol, F., Lactic acid prices falter as competition toughens, Chem. Market. Rep., 1999, vol. 255, no. 9, p. 16.
4. Datta, R. and Henry, M., Lactic acid: Recent advances in products, processes and technologies—a review, J. Chem. Technol. Biotechnol., 2006, vol. 81, no. 7, p. 1119.
5. Promyshlennaya mikrobiologiya (Industrial Microbiology), Egorov, N.S., Ed., Moscow: Vysshaya Shkola, 1989.