1. H. Baumann, 1998 . Life cycle assessment and decision making: Theories and practices . AFR Report 183. Dissertation. Goteborg: Chalmers University of Technology.
2. M. Bengtsson, 1998 . Varderingsmetoder i LCA [Valuation methods in LCA] . CPM-Rapport 1998:1. Goteborg: Chalmers tekniska hogskola. (In Swedish.).
3. The adoption of life-cycle approaches by industry: patterns and impacts
4. A. Braunschweig, R. Forster, P. Hofstetter, and R. Miiller-Wenk, 1996 . Developments in LCA valuation . IWO-HSG Diskussionsbeitrag Nr. 32. Universitat St. Gallen.
5. Life Cycle Assessment in Industry and Business