EP2097499-A1  HU Z H ET AL: "Application of rumen microorganisms for enhanced anaerobic fermentation of corn stover", PROCESS BIOCHEMISTRY, ELSEVIER, NL, vol. 40, no. 7, 1 June 2005 (2005-06-01), pages 2371-2377, XP025306766, ISSN: 1359-5113, DOI: 10.1016/J.PROCBIO.2004.09.021 [retrieved on 2005-06-01];  See also references of WO 2008076423A1US9121040-B2  Hu et al. "Application of rumen microorganisms for enhanced anaerobic fermentation of corn stover". Process Biochemistry. 2005, 40: 2371-2377.;  Gunaseelan V.N. "Anaerobic digestion of biomass for methane production: a review". Biomass and Bioenergy. 1997, vol. 13, No. 1/2, pp. 83-114.;  K. Sudra Rani et al. "High Ethanol Tolerance of New Isolates of Clostridium thermocellum strains SS21 and SS22", World Journal of Microbiology & Biotechnology, vol. 15, No. 2, Apr. 1, 1999, pp. 173-178, XP05508101.;  Jorge Rodriguez et al. "Modeling Product Formation in Anaerobic Mixed Culture Fermentations", Biotechnology and Bioengineering, vol. 93, No. 3, Feb. 20, 2006, pp. 592-606, XP055079831, ISSN: 0006-3592.;  Cord-Ruwisch, R., Seitz, HJ, and Conrad, R. The Capacity of Hydrogenotrophic Anaerobic Bacteria to Compete for Traces of Hydrogen Depends on the Redox Potential of the Terminal Acceptor. Arch. Microbiol. 1988; 149:350-357.;  Finney, C.D, and Evans R.S, II. 1975 Anaerobic Digestion: The Rate Limiting Process and the Nature of Inhibition. Science, New Series, vol. 190, No. 4219, Dec. 12, 1975, pp. 1088-1089.;  Finney, C.D., Evans, R.S, and Finney, K.A. 1977. Fast Production of Methane by Anaerobic Digestion. Annual Report, U.S. Department of Energy Division of Buildings and Community Systems, Contract No. EY-76-C-02-2900.;  Hannson, G. 1982. Methane Production from Glucose and Fatty Acids at 55-85 F. Biotechnology Letters vol. 4 (12) 789-794.;  Hashimoto, A.G. 1982. Effect of Mixing Duration and Vacuum on Methane Production Rate from Beef Cattle Waste. Biotechnology and Bioengineering 24:9-23.;  Hannson and Molin. 1981. Eur. J. Appl. Microbiol. Biotechnol. 13:242-247.;  Hannson and Molin. 1981. Eur. J. Appl. Microbiol. Biotechnol, 13:236-241.;  Hannson (1979) Eur. J. Appl. Microbiol Biotechnol. 6:351-359.;  Kasal, GB; Senior, E.; and Watson-Clark, Irene A. (1990).;  Refuse Acidogenesis and Methanogenesis: Effects of Fermentation Gases (H2, CO2, CH4) Letters in Applied Microbiol v11 n2 (Aug. 1990);65-68, 1990.;  Morvan, B., Bonnemoy, F., Fonty, G. and Gouet, P. Quantitative Determination of H2-Utilizing Acetogenesis and Sulfate-Reducing Bacteria and Methanogenic Archaea from Digestive Tract of Different Mammals, Current Microbiology 1996; 32; 129-133.;  Sterling, et al. 2001. Bioresource Technology 77:9-18.;  Strayer, R.F. and Tiedje, J.M. (1978) Kinetic Parameters of the Conversion of Methane Precursors to Methane in Hypereutrophic Lake Sediment. Appl. Environ. Microbiol. 36;330-340.;  Thauer, R.K., Jungermann, K. and Decker, K. (1977) "Energy Conservation in Chemotrophic Anaerobic Bacteria". Bacteria Rev. vol. 41 No. 1 pp. 100-108.;  Fantozzi, F. and Buratti, C. 2009. Biogas Production from Different Substrates in an Experimental CSTR Anaerobic Digester. Bioresource Technol. 100(23):5783US9376692-B2  Pavlostathis et al. &#x201c;Fermentation of insoluble cellulose by continuous cultures of Ruminococcus albus&#x201d;. Applied and Environmental Microbiology. 1988, vol. 54, No. 11, pp. 2655-2659.;  Desvaux et al. Applied and Environmental Microbiology. 2000, vol. 66, No. 6, pp. 2461-2470.;  Lamed et al. Applied and Environmental Microbiology. 1988, vol. 54, No. 5, pp. 1216-1221.;  Freier et al. Applied and Environmental Microbiology. 1988, vol. 54, No. 1, pp. 204-211.;  Russell et al. Journal of Animal Science. 1988, 66:552-558.;  K. Sudra Rani et al. &#x201c;High Ethanol Tolerance of New Isolates of Clostridium thermocellum strains SS21 and SS22&#x201d;. World Journal of Microbiology &#x26; Biotechnology, vol. 15, No. 2, Apr. 1, 1999, pp. 173-178, XP05508101.;  Jorge Rodriguez et al. &#x201c;Modeling Product Formation in Anaerobic Mixed Culture Fermentations&#x201d;, Biotechnology and Bioengineering, vol. 93, No. 3, Feb. 20, 2006, pp. 592-606, XP055079831, ISSN: 0006-3592.;  Cord-Ruwisch, R., Seitz, HJ, and Conrad, R. The Capacity of Hydrogenotrophic Anaerobic Bacteria to Compete for Traces of Hydrogen Depends on the Redox Potential of the Terminal Acceptor. Arch. Microbiol. 1988; 149:350-357.;  Finney, C.D. and Evans, R.S. II. 1975 Anaerobic Digestion: The Rate Limiting Process and the Nature of Inhibition, Science, New Series, vol. 190, No. 4219, Dec. 12, 1975, pp. 1088-1089.;  Finney, C.D., Evans, R.S. and Finney, K.A. 1977. Fast Production of Methane by Anaerobic Digestion. Annual Report. U.S. Department of Energy Division of Buildings and Community Systems. Contact No. EY-76-C-02-2900.;  Hannson, G. 1982. Methane Production from Glucose and Fatty Acids at 55-85 F. Biotechnology Letters vol. 4 (12) 789-794.;  Hashimoto, A.G. 1982. Effect of Mixing Duration and Vacuum on Methane Production Rate from Beef Cattle Waste. Biotechnology and Bioengineering 24:9-23.;  Hannson and Molin. 1981. Eur. J. Appl. Microbiol. Biotechnol. 13:242-247.;  Hannson and Molin. 1981. Eur. J. Appl. Microbiol. Biotechnol. 13:236-241.;  Hannson (1979) Eur. J. Appl. Microbiol Biotechnol. 6:351-359.;  Kasal, GB; Senior. E.; and Watson-Craik, Irene A. (1990) Refuse Acidogenesis and Methanogenesis: Effects of Fermentation Gases (H2, CO2, CH4) Letters in Appiied Microbiol v11 n2 (199008):65-68.;  Morvan, B., Bonnemoy, F., Fonty, G. and Gouet, P. Quantitative Determination of H2-Utilizing Acetogenesis and Sulfate-Reducing Bacteria and Methanogenic Archaea from Digestive Tract of Different Mammals. Current Microbiology 1996; 32; 129-133.;  Sterling, et al. 2001. Bioresource Technology 77:9-18.;  Strayer, R.F. and Tiedje, J.M. (1978) Kinetic Parameters of the Conversion of Methane Precursors to Methane in Hypereutrophic Lake Sediment. Appl. Environ. Microbiol. 36:330-340.;  Thauer, R.K., Jungermann, K. and Decker, K. (1977) &#x201c;Energy Conservation in Chemotrophic Anaerobic Bacteria&#x201d;. Bacteria Rev. vol. 41 No. 1 pp. 100-108.;  Fantozzi, F. and Buratti, C. 2009. Biogas Production from Different Substrates in an Experimental CSTR Anaerobic Digester. Bioresource Technol. 100(23):5783.