I. Panel-on-climate, C. Ghg-inventories, M. Kirchgessner, W. Windisch, and M. L. Müller, Guidelines for National Nutritional factors for the quantification of methane production, Pages 333-348 in Proc. Ruminant Physiology: Digestion, Metabolism, Growth and Reproduction. Proceedings VIII International Symposium on Ruminant Physiology, 1995.

B. M. Petersen, J. E. Olesen, and T. Heidmann, A flexible tool for simulation of soil carbon turnover, Ecological Modelling, vol.151, issue.1, pp.1-14, 2002.
DOI : 10.1016/S0304-3800(02)00034-0

S. G. Sommer, J. E. Olesen, S. O. Petersen, M. R. Weisbjerg, L. Valli et al., Region-specific assessment of greenhouse gas mitigation with different manure management strategies in four agroecological zones, Global Change Biology, vol.112, issue.12, pp.2825-2837, 2009.
DOI : 10.1016/j.agee.2005.08.023