1. Life Cycle Assessment
2. International Organization for Standardization. (2006)ISO 14044:2006(E).Environmental management ‐ Life cycle assessment ‐ Requirements and guidelines. Geneva: International Organization for Standardization.
3. International Organization for Standardization. (2006)ISO 14040:2006(E).Environmental management ‐ Life cycle assessment ‐ Principles and framework. Geneva: International Organization for Standardization.