1. Bahl W, Andersch W, Brown K, Gottschalk G (1982) Effect of pH and butyrate concentration on the production of acetone and butanol by Clostridium acetobutylicum grown in continuous culture. Eur J Appl Microbiol Biotechnol 14:17?20
2. Ben-Bassat A, Lamed R, Zeikus JG (1981) Ethanol production by thermophilic bacteria: metabolic control or end product formation in Thermoanaerobium brockii. J Bacteriol 146:192?199
3. Bergmeyer HU (1974) Methods of enzymatic analysis, 2nd edn. Academic Press, New York
4. Carreira LH, Ljungdahl LG, Bryant F, Szulczynski M, Wiegel J (1982) Control of product formation with Thermoanaerobacter ethanolicus, enzymology and physiology. In: Ikeda Y (ed) Genetics of industrial microorganisms. American Society for Microbiology, Washington, D.C., pp 351?355
5. Carreira LH, Wiegel J, Ljungdahl LG (1983) Production of ethanol from biopolymers by anaerobic, thermophilic, and extreme thermophilic bacteria: I. Regulation of carbohydrate utilization in mutants of Thermoanaerobacter ethanolicus. Biotechnol Bioeng Symp 13:183?191