1. 1) MMSD: Breaking New Ground, (Earthscan, London, 2003), pp.15-386
2. 2) Battelle: Toward a Sustainable Cement Industry, (WBCSD, Geneva, 2002), pp.1-46
3. 3) Noranda Inc.: Sustainability, (Noranda, Ontario, 2003), pp.6-23)
4. 4) Rio Tinto: Sustainable Development, (Rio Tinto, London, 2002), pp.1-14
5. 5) NRCan: A Guidance Document for the Minerals and Metals Indicators, (NRCan, Ottawa, 2003), pp.1-54