1. Aarts, H.F.M., Bussink, D.W., Hoving, I.E., Van der Meer, H.G.R., Schils, L.M., Velthof, G.L., 2002. Milieutechnische en landbouwkundige effecten van graslandvernieuwing. Een verkenning aan de hand van praktijksituaties. Plant Research International, Rapport 41A, Wageningen.
2. Effect of daily movement of dairy cattle to fresh grass in morning or afternoon on intake, grazing behaviour, rumen fermentation and milk production;Abrahamse;J. Agric. Sci. Cambridge,2009
3. Rumen stoichiometric models and their contribution and challenges in predicting enteric methane production;Alemu;Anim. Feed Sci. Technol.,2011
4. ICBM: the introductory carbon balance model for exploration of soil carbon balances;Andrén;J. Appl. Ecol.,1997
5. Audsley, E., Brander, M., Chatterton, J., Murphy-Bokern, D., Webster, C., Williams, A., 2009. How Low Can We Go? An Assessment of Greenhouse Gas Emissions from the UK Food System and the Scope to Reduce them by 2050. WWF-UK, 10.