2010 · Anders Nielsen, A. B. Hald, et al. · Grassland in a changing world. Proceedings of the 23rd General Meeting of the European Grassland Federation, Kiel, Germany, 29th August - 2nd September 2010. · 4
2008 · Anders Nielsen, A. B. Hald, et al. · Biodiversity and animal feed: future challenges for grassland production. Proceedings of the 22nd General Meeting of the European Grassland Federation, Uppsala, Sweden, 9-12 June 2008. · 2
2014 · Anders Nielsen, A. B. Hald, et al. · EGF at 50: The future of European grasslands. Proceedings of the 25th General Meeting of the European Grassland Federation, Aberystwyth, Wales, 7-11 September 2014 · 1