1. Anonymous (2006) Declaration by the metals industry on recycling principles. Int J Life Cycle Assess 12:59–60
2. Curran M-A (2006) Co-product and input allocation approaches for creating life cycle inventory data: a literature review. Int J Life Cycle Assess 12:65–78
3. Curran MA (2008) Development of life cycle assessment methodology: a focus on co-product allocation. Erasmus University Rotterdam, Rotterdam
4. EAA (2000) Environmental profile report for the European aluminium industry, April 2000. European Aluminium Association, Brussels
5. ecoinvent Centre (2006) ecoinvent data v1.3. Final ecoinvent reports no. 1-16. Swiss Centre for Life Cycle Inventories, Duebendorf. ISBN 3-905594-38-2