1. Clear-up FP7 - EU Collaborative Project Clear-up (Clean and Resource-efficient Building for Real Life) www.clear-up.eu
2. International Organisation for Standardisation (ISO) 2006 Environmental Management - Life Cycle Assessment - Principles and Framework International Organisation for Standardisation (ISO)
3. International Organisation for Standardisation (ISO) 2006 Environmental Management - Life Cycle Assessment - Requirements and Guidelines International Organisation for Standardisation (ISO)