[1] Constant, M., Naveau, H., Ferrero, J. L. and Nyns, E. J., Biogas end-uses in the European Community. Elsevier Science Publishing Company, New York, (1989).
[2] Andrews, J. F., Dynamic model of the anaerobic digestion process., J. Sanit. Engng Div. Proc. Am. Soc. Civ. Engrs SA 1, 95-116, (1969).
[3] Buhr, H. O. and Andrews, J. F., The thermophilic anaerobic digestion process., Water Res., 11, 129-143, (1977).
[4] Hill, D. T. and Barth, C. L., A dynamic model for simulation of animal waste digestion., J. Water Pollut. Control Fed., 49, 2129-2143, (1977).
[5] Angelidaki, I. and Ahring, B. K., Thermophilic anaerobic digestion of livestock waste: The effect of ammonia., Appl. Microbiol. Biotechnol., 38, 560-564, (1993).
[6] Angelidaki, I., Ellegaard L. and Ahring, B. K., A mathematical model for dynamic simulation of anaerobic digestion of complex substrates: Focusing on ammonia inhibition., Biotech. and Bioengng., 42, 159-166, (1993).
[7] Buffiere, P., Steyer, J. P., Fonade, C. and Moletta, R., Comprehensive modeling of methanogenic biofilms in fluidized bed systems: Mass transfer limitations and multisubstrate aspects., Biotech. and Bioengng., 48, 725-736, (1995).
[8] Kalyuzhnyi, S.V. and Davlyatshina, M.A., Batch anaerobic digestion of glucose and its mathematical modeling., Bioresource Technology,59, 73-80, (1997).
[9] Batstone, D.J., Keller, J., Newell, R. B. and Newland, M., Modeling anaerobic degradation of complex wastewater., Bioresource Technology, 75(1), 67-74, (2000).
[10] Nielsen, J. and Villadesen, J., Modeling of microbial kinetics., Chem. Engng Sci., 47, 4225-4270, (1992).
[11] Montieth, H. D. and Stephenson, J. P., Mixing efficiencies in full-scale anaerobic digesters by tracer methods., J. WPCF, 53, 78-84, (1981).
[12] Kalia,A.K. and Knawar, S. S., Long-term evaluation of a fixed dome Janata biogas plant in hilly conditions., Bioresource Technology, 65, 61-63, (1998).
[13] Ong, H.K., Greenfield, P.F. and Pullammanappallil, P. C., An operational strategy for improved biomethanation of cattle manure slurry in an unmixed single stage digester., Bioresource Technology, 73(1), 87-89, (2000).
[14] Sterling, M. C., Jr., Lacey, R. E., Engler, C. R. and Ricke, S. C., Effect of ammonia nitrogen on H2 and CH4 production during anaerobic digestion of dairy cattle manure., Bioresource Technology, 77(1), 9-18, (2001).
[15] Levenspiel, O., “Chemical Reaction Engineering”, Second Edition, Wiley & Sons Book Company, New York, (1972).
[16] Keshtkar, A., Ghaforian, H., Abolhamd, G. and Meyssami, B., Dynamic simulation of cyclic batch anaerobic digestion of cattle manure., Bioresource Technology, 80, 9-17, (2001).
[17] Dean, J. A., “Lange’s Handbook of Chemistry”, Fourteenth Edition, McGraw Hill Book Company, New York, (1992).
[18] Archer, D. B., Enzyme Microbiol. Technol., 5, 162-167, (1983).
[19] Dugba, P. N., Zhang, R., Treatment of dairy waste-water with two-stage anaerobic sequencing batch reactor systems- thermophilic versus mesophilic operations., Bioresource Technology, 68, 225-233, (1999).