Presentation held at the Nordic Biogas Conference in Oslo in 2010 on the upgrading of the Bekkelaget wastewater treatment plant in Oslo, Norway.
BJÖRKMAN, P. (2010): Biogas Upgrading at Bekkelaget Waste Water Treatment Plant. (= (=Proceedings of the Nordic Biogas Conference, Oslo, 10th-12th March 2010) ). Oslo: URL [Accessed: 27.11.2012]