1. Intergovernmental Panel on Climate Change, Fourth Assessment Report: Working group I: The Physical Science Basis. (2007). http://www.ipcc.ch/publications_and_data/ar4/wg1/en/spmsspm-human-and.html . Accessed 20 August 2012
2. Raupach, M., Fraser, P.: Chapter 2: climate and greenhouse gases. CSIRO, Australia. http://www.csiro.au/Outcomes/Climate/Climate-Change-Book/Chapter-2-Climate-and-greenhouse-gases.aspx . (2013). Accessed 20 August 2013
3. Stackhouse, K.R., Pan, Y., Zhao, Y., Mitloehner, F.M.: Greenhouse gas and alcohol emissions from feedlot steers and calves. J. Environ. Qual. 40, 899–906 (2011)
4. Hou, A.X., Chen, G.X., Wang, Z.P., Van Cleemput, O., Patrick, W.H.: Methane and nitrous oxide emissions from a rice field in relation to soil redox and microbiological processes. Soil Sci. Soc. Am. J. 64, 2180–2186 (2000)
5. Li, C., Salas, W., Zhang, R., Krauter, C., Rotz, A., Mitloehner, F.: Manure-DNDC: a biogeochemical process model for quantifying greenhouse gas and ammonia emissions from livestock manure systems. Nutr. Cycl. Agroecosyst. 93(2), 163–200 (2012)