"International consensus model for comparative assessment of chemical emissions in LCA." International Academy for Production Engineering 15th International Conference on Life Cycle Engineering, March 17-19, 2008. Sydney, Australia: CIRP, 2008. 291-296. LBNL-512E..
"USEtox - The UNEP-SETAC toxicity model: recommended characterisation factors for human toxicity and freshwater ecotoxicity in Life Cycle Impact Assessment." The International Journal of Life Cycle Assessment 13.7 (2008) 532-546. LBNL-2372E..