1. G.W. Barnard, D.O. Hall, Energy from renewable resources, in: H. Dellweg (Ed.), Biotechnology, Verlag Chemie GmbH Weiheim, vol. 3, 1983, 593 pp.
2. Economic evaluation of alternative ethanol fermentation processes
3. Production of Ethanol by Continuous Fermentation and Liquid-Liquid Extraction
4. Ethanol production by extractive fermentation
5. B. Wrzesińska, R. Gawroński, Ethanol extraction in hollow-fibre modules, XV Polish Conference of Chemical Engineering, vol. IV, Gdańsk, 1995, p. 95.