1. EN ISO 14040, Brussels: European Committee for Standardization, 1997.
2. Resource and environmental profile analysis: a life cycle environmental assessment for products and procedures;Hunt;Environ. Impact Assess. Rev.,1992
3. Quantitative life cycle assessment of products—1 Goal definition and inventory;Guinée;J. Cleaner Prod.,1993
4. Baumann H. Life cycle assessment and decision making—theories and practices. PhD thesis. Gothenburg: Chalmers University of Technology, 1998.
5. Ekvall T. System expansion and allocation in life cycle assessment—with implications for wastepaper management. PhD thesis. Gothenburg: Chalmers University of Technology, 1999.