1. ISO 14040. Environmental Management – Life Cycle Assessment – Principles and Framework; 1997.
2. ISO 14041. Environmental Management – Life Cycle Assessment – Goal and Scope Definition and Inventory Analysis; 1998.
3. ISO 14042. Environmental Management – Life Cycle Assessment – Life Cycle Impact Assessment; 2000.
4. ISO 14043. Environmental Management – Life Cycle Assessment – Life Cycle Interpretation; 2000.
5. Life cycle assessment. Part 1. Framework, goal and scope definition, inventory analysis, and applications;Rebitzer;Environment International,2004