4Bjorn Stigson. What is Eco-Efficiency? [M]. Sydney: WBCSD, 1999.
5Bjorn Stigson. How can Eco Efficiency contribute to Sustainable Development? [M]. Oslo: WBCSD, 2000.
6Bjorn Stigson. A Road to Sustainable Industry: How to Promote Resource Efficiency in Companies [M]. Düsseldorf: WBCSD, 2001.
7Bjorn Stigson. Eco-efficiency: creating more value with less impact [M]. WBCSD, 2000, 5-36.
8David Putnam,P Eng ISO 14031:Environmental Performance Evaluation [M].2002.
9Dennis A Rondinelli. Making eco-efficiency the foundation of environmental policy Reform [J]. Environmental Quality Management. Winter 2001: 29-44.
10Jacqueline Cramer. Early warning: integrating eco-efficiency aspects into the product development process [J], Environmental Quality Management, Winter 2000: 1-10.
