1. Anonymous, 2007. Effizienzsteigerung, Emissionsminderung und CO2-Einsparung durch optimierte Motoreinstellung bei Biogas-Blockheizkraftwerken zur dezentralen Stromversorgung (Improvement in efficiency, emission reduction and saving of CO2 through optimised adjustments of the engine of combined heat and power plants for biogas used for decentralised power supply). Bavarian Environment Agency, Augsburg, Germany.
2. Anonymous, 2011. GEMIS. Global Emission Model for integrated Systems. Version 4.7. Öko-Institut e.V., Darmstadt, Germany.
3. Greenhouse gas balance and resource demand of biogas plants in agriculture;Bachmaier;Eng. Life Sci.,2010
4. Bühle, L., Hensgen, F., Donnison, I., Heinsoo K., Wachendorf M., 2011a. Evaluation of fuel and biogas production on typical semi-natural grasslands in Germany, Wales and Estonia. In: Pötsch, E.M., Krautzer, K., Hopkins, A. (Eds.), Grassland Farming and Land Management Systems in Mountainous Regions, vol. 16. Grassland Science in Europe, pp. 398–400.
5. Bühle, L., Hensgen, F., Donnison, I., Heinsoo K., Wachendorf, M. 2011b. Improving combustion performance of European grassland biomass through water mashing and subsequent dehydration. In: Pötsch, E.M., Krautzer, K., Hopkins, A. (Eds.), Grassland Farming and Land Management Systems in Mountainous Regions, vol. 16. Grassland Science in Europe, pp. 401–403.