1. Environmental Management—Life Cycle Assessment—Principles and Framework;International Organisation for Standardisation, ISO 14040,1997
2. Cement and Concrete Association of Australia, The Sydney House-Life Cycle Assessment-Report, 2001.
3. Environmental Management—Life Cycle Assessment—Goal and Scope Definition and Inventory Analysis;International Organisation for Standardisation, ISO 14041,1998
4. Definition Document;Wrisberg,1996