Christen, Ben (2009) Possible beneficial effects of biomass for bioenergy crops. In: NJF Report, Nordic Association of Agricultural Scientists, Sweden, chapter Vol 5. Nr. 3.

Hauggaard-Nielsen, H; Ambus, P; Dalgaard, T; Johansen, A; Jørgensen, U; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A; Skytte, K; Smith, J.E.; Thomsen, A.B.; Thomsen, M.H. and Jensen, E.S. (2007) Biomass and bioenergy production in organic agriculture. Consequences for soil fertility, environment, spread of animal parasites and socio-economy. BioConcnes, a 4-year interdisciplinary project. 23rd NJF Congres, Faculty of Life Sciences, University of Copenhagne, Denmark, 26-29 June, 2007. [ Unpublished]

Hauggaard-Nielsen, Henrik; Thomsen, Mette Hedegaard and Jensen, Erik Steen (2009) Why diversify annual biomass production for energy – exemplified by green house gas emissions from the Danish IBUS bioethanol production concept. Proceedings of NJF Seminar 405: Production and utilization of crops for energy, Vilnius, Lithuania, 25-26 September, 2007. NJF General Secretariat, Stockholm, Sweden. ISBN 1653-2015

Johansen, A.; Hauggaard-Nielsen, H.; Ambus, P.; Dalgaard, T.; Jørgensen, U.; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Skytte, K.; Smith, J.E.; Thomsen, A.B.; Carter, M.S. and Jensen, E.S. (2008) Production of biomass and bioenergy in organic agriculture and its consequences for soil quality, environment, biodiversity and socio-economy. [Produktion af biomasse og bioenergi i økologisk jordbrug og konsekvenserne for jord kvalitet, miljø, biodiversitet og socio-økonomi.] ALTERNET Workshop: Interlinkage between Biodiversity and Bioenergy, Edinburgh, 20th - 21st October 2008.

Markussen, Mads Ville; Østergård, Hanne; Oleskowicz-Popiel, Piotr; Schmidt, Jens Ejby and Pugesgaard, Siri (2009) Energy and emergy evaluation of potentials for energy self-sufficiency in Danish organic dairy farms by production of biogas and bioethanol. 1st Nordic Organic Conference. Towards increased sustainability in the food supply chain, Gothenburg, Sweden, 18-20 May 2009. In: Fredriksson, Pelle and Ullvén, Karin (Eds.) Proceedings from 1st Nordic Organic Conference. Towards increased sustainability in the food supply chain. 18-20 May 2009. Gothenburg, Sweden, Centrum för uthålligt lantbruk (CUL), SLU, p. 168.

Møller, Henrik Bjarne and Nielsen, Lisbeth (2008) Græs er ægte grøn energi. [Grass is real green energy.] In: Forskning i Bioenergi nr. 23 • marts 2008, March 2008, pp. 4-6.

Nielsen, H.B. and Angelidaki, I (2008) Codigestion of manure and organic waste at centralized biogas plants: process imbalances and limitations. vth International Symposium on anaerobic digestion of solid wastes and energy crops. [ In Press, 2008]

Nielsen, Henrik Bangsø and Angelidaki, Irini (2008) Codigestion of manure and organic waste at centralized biogas plants: Process imbalances and limitations. 5th international symposium of anaerobic digestion of solid waste & energy crops, Hammamet, Tunisia, May 25-28, 2008.

Oleskowicz-Popiel, P; Ambus, P; Carter, M.S.; Dalgaard, T.; Hauggaard-Nielsen, H; Johansen, A; Jørgensen, U; Nielsen, A.M; Nielsen, H.B.; Nielsen, L.H; Olesen, J.E.; Roepstorff, A; Skytte, K; Schmidt, J.E.; Thomsen, A.B.; Thomsen, M.H. and Jensen, E.S. (2008) BioConcens: Biomass and bioenergy production agriculture – consequences for soil fertility, environment, spread of animal parasites and socio-economy. vth International Symposium on anaerobic digestion of solid wastes and energy crops.

Oleskowicz-Popiel, Piotr; Nielsen, Henrik Bangsø; Schmidt, Jens Ejbye; Thomsen, Anne Belinda and Thomsen, Mette Hedegaard (2008) Characterisation of most relevant feedstock for biogas and bioethanol production in organic farming. [oral] 5th international symposium of anaerobic digestion of solid waste & energy crops, Hammamet, Tunisia, May 25-28, 2008.

Oleskowicz-Popiel, Piotr; Thomsen, Mette Hedegaard; Nielsen, Henrik Bangsø; Schmidt, Jens Ejbye and Thomsen, Anne Belinda (2008) Characterisation of most relevant feedstock for biogas and bioethanol production in organic farming. vth International Symposium on anaerobic digestion of solid wastes and energy crops, Hammamet, Tunisia,, May 25 to 28, 2008. In: Proceeding CD.

Oleskowicz-Popiel, Piotr; Thomsen, Mette Hedegaard; Thomsen, Anne Belinda and Schmidt, Jens Ejbye (2008) A simulation model of combined biogas, bioethanol and protein fodder co-production in organic farming. Bioenergy - II: Fuels and Chemicals from Renewable Resources, Rio de Janeiro, Brazil, March 8-13, 2009. [ In Press , 2008]

Schmidt, J.E.; Oleskowicz-Popiel, P.; Thomsen, M.H.; Nielsen, H.B. and Thomsen, A.B (2008) COMBINED BIOGAS AND BIOETHANOL PRODUCTION IN ORGANIC FARMING. Environmental Biotechnology and Enginerring, Mallorca, 21-25 spet. 2008. [In Press, 2008]